Children gather inside a forest during a "Tree Planting Ceremony" for the annual UN climate talks in Warsaw, capital of Poland, on Nov. 12, 2013. More than 50 children participated in a "Tree Planting Ceremony" on the second day of the United Nations Climate Change Conference 2013 in Warsaw, as a nod towards nature and a way to express Warsaw's environmental-friendly proactive approach.
src:IANS