A man carries firewood for fuel to cook food in northwest Pakistan's Peshawar, Feb. 9, 2017. Firewood demand increased in Pakistan due to less availability of natural gas. (Xinhua/Ahmad Sidique)
A man carries firewood for fuel to cook food in northwest Pakistan's Peshawar, Feb. 9, 2017. Firewood demand increased in Pakistan due to less availability of natural gas. (Xinhua/Ahmad Sidique)