Scientists discover sacred sinkhole cave under Chichen Itza pyramid

A group of scientists from the Autonomous University of Mexico announced on 13 August, that a sacred sinkhole cave, known as a cenote, has been discovered under Chichen Itzas grand Kukulkan Castle Pyramid, a discovery that could shed new light on the ancient Mayan civilisation. Aug 14, 2015

Rio 2016: IOC confident over water quality issue

Rio de Janeiro can be proud of the four Olympic test events held so far in the city, the head of the Rio 2016 coordinating committee said on 12 August, as officials once again played down concerns over athletes safety in the citys polluted waterways. Aug 13, 2015