Pakistanis light candles marking the second anniversary of the attack on a Peshawar school in 2014, in eastern Pakistan's Lahore on Dec. 16, 2016. (Xinhua/Jamil Ahmed)
Pakistanis light candles marking the second anniversary of the attack on a Peshawar school in 2014, in eastern Pakistan's Lahore on Dec. 16, 2016. (Xinhua/Jamil Ahmed)