A worker fumigates a slum area as a preventive measure against mosquito-born disease in Agartala, capital city of India's northeastern state of Tripura, Nov. 24, 2021.Photo:Xinhua
A worker fumigates a slum area as a preventive measure against mosquito-born disease in Agartala, capital city of India's northeastern state of Tripura, Nov. 24, 2021.Photo:Xinhua