School children gather around a globe at Regional Science Centre , Guwahati, Assam on the occasion of Earth Day on 22nd April 2012. Photo by Vikramjit Kakati/Indian Photo Agency
School children gather around a globe at Regional Science Centre , Guwahati, Assam on the occasion of Earth Day on 22nd April 2012. Photo by Vikramjit Kakati/Indian Photo Agency