NAIROBI, July 18, 2016 (Xinhua) -- UN Secretary-General Ban Ki-moon (R, front) and Kenyan President Uhuru Kenyatta (L, front) attend the opening ceremony of the 14th session of the UN Conference on Trade and Development (UNCTAD 14), in Kenyan capital Nairobi, on June 17, 2016. The 14th session of the UN Conference on Trade and Development (UNCTAD 14) kicked off in Nairobi on Sunday amid calls from delegates for governments to reduce global economic inequality. (Xinhua/Li Baishun)