Alibaba Group Chairman Jack Ma looks back at a giant electronic screen

Alibaba Group Executive Chairman Ma looks back at a giant electronic screen showing real-time sales figures of the company's Taobao.com and Tmall.com, on the "Singles' Day" online shopping festival, at the company headquarters in Hangzhou

Alibaba Group Executive Chairman Jack Ma looks back at a giant electronic screen showing real-time sales figures of the company’s Taobao.com and Tmall.com, on the “Singles’ Day” online shopping festival, at the company headquarters in Hangzhou, China.

Unexplored caves in the Lu He Dong cave complex near Fengshan, Gangxi Province, China.

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Adventurers have gone deep underground to discover previously unexplored caves in the Lu He Dong cave complex near Fengshan, Gangxi Province, China.

Pakistani Children, whose family moved to capital Islamabad to look for work

Children, whose family moved to Islamabad from Sargodha in Punjab Province to look for work, stand outside their school at a slum in Islamabad

Children, whose family moved to Islamabad from Sargodha in Punjab Province to look for work, stand outside their school at a slum in Islamabad.