Staff members from APOPO train an African giant pouched rat for landmine detection in Morogoro, Tanzania, March 23, 2018. Tanzania-based non-profit organization APOPO has researched and pioneered the use of African giant pouched rat, a large rodent that can be found in most of sub-Saharan African nations, in landmine detection to free people from the terrors of the explosive remnants of war. (Xinhua/Li Sibo)