Question: John Still was a British archaeologist known for his discoveries at an ancient rock fortress located in what country?

full_context: Document 1: John Garstang: John Garstang (5 May 1876 – 12 September 1956) was a British archaeologist of the ancient Near East, especially Anatolia and the southern Levant. He was the younger brother of Professor Walter Garstang, FRS, a marine biologist and zoologist. Garstang is considered a pioneer in the development of scientific practices in archaeology as he kept detailed records of his excavations with extensive photographic records, which was a comparatively rare practice in early 20th century archaeology
Document 2: Sagiyama Castle: Sagiyama Castle (鷺山城 , Sagiyama-jō ) was a castle built in Mino Province in Japan during the late-Heian period (late 12th century); it was destroyed during the Sengoku period in the mid-16th century. The castle's ruins are located in the present-day city of Gifu, Gifu Prefecture. It stood at the peak of Mount Sagi, which was only 68 m . Because the castle was built as a residence and not a defensive fortress, its location on a small mountain was of little consequence.
Document 3: Sri Lanka: Sri Lanka ( or ; Sinhalese: ශ්‍රී ලංකා "Śrī Laṃkā ", Tamil: இலங்கை "Ilaṅkai"), officially the Democratic Socialist Republic of Sri Lanka, is an island country located southeast of the Republic of India and northeast of the Maldives. Its current existence is due to the merger of several empires present on the island under European colonial rule.
Document 4: Mahavamsa: The Mahavamsa ("Great Chronicle", Pali "Mahāvaṃsa") (5th century CE) is an epic poem written in the Pali language of the ancient Kings of Sri Lanka. It relates the history of Sri Lanka from its legendary beginnings up to the reign of Mahasena of Anuradhapura (A.D. 302) covering the period between the arrival of Prince Vijaya from India in 543 BCE to his reign (277–304 CE). It was composed by a Buddhist bhikku at the Mahavihara temple in Anuradhapura about the sixth century A.D.
Document 5: Temple of the Tooth: Sri Dalada Maligawa or the Temple of the Sacred Tooth Relic is a Buddhist temple in the city of Kandy, Sri Lanka. It is located in the royal palace complex of the former Kingdom of Kandy, which houses the relic of the tooth of the Buddha. Since ancient times, the relic has played an important role in local politics because it is believed that whoever holds the relic holds the governance of the country. Kandy was the last capital of the Sri Lankan kings and is a World Heritage Site mainly due to the temple.
Document 6: Royal Palace of Kandy: The Royal Palace of Kandy ("Maligawa") in Kandy, was the royal residence of the Sinhalese monarchy of the Kingdom of Kandy in Sri Lanka. The last king to reside in it was King Sri Vikrama Rajasinha until he was overthrown by the British in 1815 with the aid of Kandian chieftains. Once part of a large palace complex that included the King's Palace ("Raja Wasala"), Royal Audience Hall ("Magul Maduwa"), Queen's Palace ("Meda Wasala"), King's Harem Quarters ("Palle Vahale") and Queen's Bathing Pavilion ("Ulpange"), together with the Temple of the Tooth ("Sri Dalada Maligawa") that held the Relic of the tooth of the Buddha. By ancient tradition the one who was in possession of the "Tooth Relic" had claim to the throne. Adjacent to the Royal Palace is the Victorian era building that until recently housed Kandy High Court.
Document 7: Roopangarh Fort: Roopangarh Fort is a former fortress and palace in the town of Roopangarh, Rajasthan, India that is today a hotel. The fortress was originally built by, and named after, Maharaja Roop Singh of Kishangarh in 1648. It was sited at strategic point atop a hill to the north of Kishangarh controlling the important trade route to the Sambhar Salt Lake. Around the fort a substantial town grew up that became a centre for artisans and manufacturers. For a century it also served as the primary residence of the Maharajas of Kishangarh, and the capital of the state. An ornate palace was built next to the fortress.
Document 8: William James Stillman: William James Stillman (June 1, 1828 – July 6, 1901) was an American journalist, diplomat, author, historian, and photographer. Educated as an artist, Stillman subsequently converted to the profession of journalism, working primarily as a war correspondent in Crete and the Balkans, where he served as his own photographer. For a time, he also served as United States ambassador in Rome, and afterward in Crete during the Cretan insurrections. He helped to train the young Arthur Evans as a war correspondent in the Balkans, and remained a lifelong friend and confidant of Evans. Later in life, he seriously considered taking over the excavation at Knossos from Minos Kalokairinos, who had been stopped from further excavation by the Cretan Assembly; he was, however, prevented from pursuing that goal further by a failure to obtain a firman, or permission to excavate. Stillman wrote several books, one of which, his "Autobiography of a Journalist", suggests that he viewed himself primarily as a writer.
Document 9: Sigiriya: Sigiriya or Sinhagiri ("Lion Rock" Sinhalese: සීගිරිය , Tamil: சிகிரியா , pronounced see-gi-ri-yə) is an ancient rock fortress located in the northern Matale District near the town of Dambulla in the Central Province, Sri Lanka. The name refers to a site of historical and archaeological significance that is dominated by a massive column of rock nearly 200 m high. According to the ancient Sri Lankan chronicle the Culavamsa, this site was selected by King Kasyapa (477 – 495 CE) for his new capital. He built his palace on the top of this rock and decorated its sides with colourful frescoes. On a small plateau about halfway up the side of this rock he built a gateway in the form of an enormous lion. The name of this place is derived from this structure —Sīhāgiri, the Lion Rock. The capital and the royal palace was abandoned after the king's death. It was used as a Buddhist monastery until the 14th century.
Document 10: John Henry Patterson (author): Lieutenant-Colonel John Henry Patterson, DSO (10 November 1867 – 18 June 1947), known as J. H. Patterson, was an Irish born British soldier, hunter, author and Christian Zionist, best known for his book "The Man-Eaters of Tsavo" (1907), which details his experiences while building a railway bridge over the Tsavo river in British East Africa (now Kenya) in 1898–99. The book has inspired three Hollywood films - "Bwana Devil" (1952), "Killers of Kilimanjaro" (1959) and "The Ghost and the Darkness" (1996) in which he was portrayed by Val Kilmer.
Document 11: John Myres: Sir John Linton Myres (3 July 1869 in Preston – 6 March 1954 in Oxford) was a British archaeologist who conducted excavations in Cyprus in 1904. He became the first Wykeham Professor of Ancient History, at the University of Oxford, in 1910, having been Gladstone Professor of Greek and Lecturer in Ancient Geography, University of Liverpool from 1907. He contributed to the British "Naval Intelligence Division Geographical Handbook Series" that was published during the Second World War, and to the noted 11th edition of the "Encyclopædia Britannica" (1910–1911). He highly influenced the British-Australian archaeologist Vere Gordon Childe.
Document 12: John Still (author): John Still (1880–1941) was a British archaeologist and author, known for his discoveries at Sigiriya and his book "The Jungle Tide".
Document 13: Rova of Antananarivo: The Rova of Antananarivo (Malagasy: "Rovan'i Manjakamiadana" ] ) is a royal palace complex ("rova") in Madagascar that served as the home of the sovereigns of the Kingdom of Imerina in the 17th and 18th centuries, as well as of the rulers of the Kingdom of Madagascar in the 19th century. Its counterpart is the nearby fortified village of Ambohimanga, which served as the spiritual seat of the kingdom in contrast to the political significance of the Rova in the capital. Located in the central highland city of Antananarivo, the Rova occupies the highest point on Analamanga, formerly the highest of Antananarivo's many hills. Merina king Andrianjaka, who ruled Imerina from around 1610 until 1630, is believed to have captured Analamanga from a Vazimba king around 1610 or 1625 and erected the site's first fortified royal structure. Successive Merina kings continued to rule from the site until the fall of the monarchy in 1896, frequently restoring, modifying or adding royal structures within the compound to suit their needs.
Document 14: Watling Street (book): Watling Street: Travels Through Britain and Its Ever-Present Past is the fifth book by the British journalist, novelist and cultural historian John Higgs. The book charts Higgs's journey along Watling Street, one of the oldest roads in Britain, from Dover to Anglesey, during which journey he records the so-called hidden history of this ancient path from its first creation up to the present day. As well as recording the historical figures and their stories surrounding the road, Higgs also meets up with and interviews contemporary figures along the way such as Alan Moore. The author describes the history of the road as, "Watling Street is a road of witches and ghosts, of queens and highwaymen, of history and myth, of Chaucer, Dickens and James Bond. Along this route Boudicca met her end, the battle of Bosworth changed royal history, Bletchley Park code breakers cracked Nazi transmissions and Capability Brown remodelled the English landscape.
Document 15: Mortimer Wheeler: Sir Robert Eric Mortimer Wheeler (10 September 1890 – 22 July 1976) was a British archaeologist and officer in the British Army. Over the course of his career, he served as Director of both the National Museum of Wales and London Museum, Director-General of the Archaeological Survey of India, and the founder and Honorary Director of the Institute of Archaeology in London, further writing twenty-four books on archaeological subjects.
ground_truth: Sri Lanka