Sentence:  Now considered the first urban culture of the Indian subcontinent, the Harappan civilization was unknown to scholars until the twentieth century. Intrigued by large, earth-covered mounds at <WSD>Harappa</WSD>, on the Ravi River in the Punjab province of present-day Pakistan, archaeologists began excavating the site in 1921. 
Meaning of the word marked with <WSD> tags:  An archaeological site near the village; the ancient city excavated at the site.