A mask is seen on a statue of Juddha Shumsher Rana, on a polluted day in Kathmandu, on Sunday.  Juddha Shumsher Rana was a prime minister during the Rana dynasty.

A mask is seen on a statue of Juddha Shumsher Jang Bahadur Rana, on a polluted day in Kathmandu, on March 19, 2017. Juddha Shumsher Rana was a prime minister during the Rana dynasty. Photo: Reuters
A mask is seen on a statue of Juddha Shumsher Jang Bahadur Rana, on a polluted day in Kathmandu, on March 19, 2017. Juddha Shumsher Rana was a prime minister during the Rana dynasty. Photo: Reuters
A mask is seen on a statue of Juddha Shumsher Jang Bahadur Rana on a polluted day in Kathmandu, on March 19, 2017. Juddha Shumsher Rana was a prime minister during the Rana dynasty. Photo: Reuters
A mask is seen on a statue of Juddha Shumsher Jang Bahadur Rana on a polluted day in Kathmandu, on March 19, 2017. Juddha Shumsher Rana was a prime minister during the Rana dynasty. Photo: Reuters