Question: Striding Lion, a wall relief made from polychrome glazed, fired bricks, is one of the most iconic objects on display at the Royal Ontario Museum, Toronto, it is one of many such reliefs that decorated the walls of the palace's ceremonial hall and very similar to the lions that line the processional way from the Ishtar Gate to which temple? 

Context paragraphs:
Tomb of General Zu Dashou: The Tomb of General Zu Dashou (also known as the "Ming Tomb") is one of the earliest pieces in the Royal Ontario Museum’s collections, and on the museum's list of Iconic Objects.

Ishtar Gate: The Ishtar Gate (Arabic: بوابة عشتار‎ ‎ , Persian: دروازه ایشتار‎ ‎ ) was the eighth gate to the inner city of Babylon.  It was constructed in about 575 BCE by order of King Nebuchadnezzar II on the north side of the city.  It was excavated in the early 20th century and a reconstruction using original bricks is now shown in the Pergamon Museum, Berlin.

Imperial Palace Hall Reconstruction: The Imperial Palace Hall Reconstruction in the Royal Ontario Museum is a full-scale model of a section of a 17th-century Chinese Imperial Palace building in Beijing’s Forbidden City.  The hall was built in 2005 at the National Museum of Chinese Architecture in Beijing and transported in pieces to the museum in Toronto where it was reconstructed in the Gallery.  This object is a center piece to the Chinese Galleries and is used by many to illustrate to the detailed work of craftsmen during the Qing Dynasty (1644-1912).

Paradise of Maitreya: Artist Zhu Haogu created the Paradise of Maitreya (彌勒佛說法圖) wall painting during China’s Yuan Dynasty.  The painting was originally housed in the Xinghua Si Temple of Xiaoning, Shanxi.  During the 1920s and 1930s, it was disassembled and moved to the Royal Ontario Museum (ROM) of Toronto, Canada, where it remains today.  Museum officials have undertaken a series of restorations to preserve and stabilize the painting.  Currently, it can be found in the museum’s "Bishop White Gallery of Chinese Temple Art" as part of the Far Eastern Collection and is described as one of its must-see Iconic Objects.

Zu Dashou: Zu Dashou (died 1656), courtesy name Fuyu, was a Chinese military general who served on the northern border of the Ming dynasty during the Manchu conquest of China.  He fought against the Manchu-led Qing dynasty in several major engagements before ultimately surrendering to them in 1642.  An alleged descendant of the Eastern Jin dynasty general Zu Ti (祖逖), he was the maternal uncle of the Ming general Wu Sangui, who surrendered Shanhai Pass to Qing forces and defected to the Qing side.  Zu's tomb was acquired by the Royal Ontario Museum in Toronto, Canada, and is considered one of the "iconic objects" of the museum.

Lachish reliefs: The Lachish reliefs are a set of Assyrian palace reliefs narrating the story of the Assyrian victory over the kingdom of Judah during the siege of Lachish in 701 BCE.  Carved between 700-681 BCE, as a decoration of the South-West Palace of Sennacherib in Nineveh (in modern Iraq), the relief is today in the British Museum in London, and was included as item 21 in the BBC radio 4 series A History of the World in 100 Objects.  The palace room, where the relief was discovered in 1845-47, was fully covered with the "Lachish relief" and was 12 m wide and 5.10 m long.  The "Lion Hunt of Ashurbanipal" sequence was found in the same palace.

Striding Lion: Striding Lion, a wall relief made from polychrome glazed, fired bricks, is one of the most iconic objects on display at the Royal Ontario Museum, Toronto.  It came from Babylon, Iraq, and dates to the time of Nebuchadnezzar II (605-562 BCE), king of the Neo-Babylonian Empire.  Striding Lion is one of many such reliefs that decorated the walls of the palace's ceremonial hall and very similar to the lions that line the processional way from the Ishtar Gate to the temple of Marduk.

Royal Ontario Museum Bat Cave: The Royal Ontario Museum Bat Cave is a gallery at the Royal Ontario Museum that presents wax sculptures of bats in their simulated natural habitat.  Consisting of twenty species of bats, among a variety of invertebrates, the gallery allows visitors to learn about bats behaviour and biology, through engaging in various educational panels, videos and models.

Panel with striding lion: The Panel with striding lion (MA 31.13.1) is a panel of Neo-Babylonian glazed ceramic bricks or tiles dated to 604–562 B.C., now in the Metropolitan Museum of Art, New York.  It was one of many that lined the Processional Way north of the Ishtar Gate.  It was excavated by R. Koldewey in 1902, and at the Staatliche Museen zu Berlin from 1926, before coming into the possession of the Met in 1931.

Bishop White Gallery of Chinese Temple Art: The Bishop White Gallery of Chinese Temple Art is one of four galleries in the Royal Ontario Museum (ROM) that are dedicated to Chinese art and archaeology.  It contains one of the most important collections of Chinese temple art in the world, including three Yuan Dynasty (1271 – 1368 AD) temple wall paintings from Shanxi Province that adorn the three walls of the Gallery, and several wooden sculptures depicting bodhisattvas from the 12th to the 15th centuries.  These are some of the earliest acquisitions and most iconic objects in the ROM.

Supporting paragraphs: Striding Lion Ishtar Gate
Answer: Marduk