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The engineer and antiquarian Colonel Colin Mackenzie brought the ruins of Hampi to light in 1800. He worked for many years in East India Company and prepared the first Survey maps of this site. His earlier information were based on the memories of priest of the Virupaksha temple and shrine of Pampadevi. From 1856 onwards, photographers started to record the pictures of monuments. The picture of the sites helped the scholars to study them. Dozens of inscription were collected from Virupaksha temples and other temples situated around temples.
Historians collected information from these sources other sources such as accounts of foreign travellers and literature composed in Kannada, Telugu, Tamil and Sanskrit languages used by the historians so that the History of the city could be reconstructed. These functions complemented the information given priests of Virupaksha temple.