Algae picture: kids swimming in algae in China (via…
Algae picture: kids swimming in algae in China (via http://news.nationalgeographic.com/news/2011/07/pictures/110725-algae-china-beaches-qingdao-swimming-science-environment-world/)
Algae picture: kids swimming in algae in China (via http://news.nationalgeographic.com/news/2011/07/pictures/110725-algae-china-beaches-qingdao-swimming-science-environment-world/)