187th birth anniversary of Nain Singh Rawat marked with Doodle

Google marked Indian explorer Nain Singh Rawat's 187th birth anniversary on Saturday with a Doodle featuring an illustration of a silhouette of a man looking over mountains.

Rawat, born in 1830, belonged to the Johar Valley of Kumaon in Uttarakhand. He was the first to find the location and altitude of Lhasa .He mapped the course of Tsangpo river and the trade route between Nepal and Tibet.

Rawat, who was recruited by the British for mapping, used to disguise as a Tibetan monk and walk as far as Kathmandu in Nepam, Lhasa in Tibet and Tawang in Arunachal Pradesh. He concealed instruments like a compass in his prayer wheel and hid his travel records as prayers. His pace during his travels remained uniform and he measures his steps using a rosary.