Every Friday we round-up the links that picked up buzz on the internet. Most of them we also shared throughout the week on Facebook and Twitter.

Image: Taken in 2010, Shilin Dadieshui waterfall has the longest drop in the Pearl River. In order to serve the Dachun area, water had been released from the upstream reservoir. Because of the extra volume the waterfall looks more than it should with the effects of the drought, but it's still only one-third of previous years. © Lu Guang / Greenpeace