Activists holding banners stage a sit-in demonstration near the plenary hall of the Bella Center, Copenhagen, December 16,2009. More than 50 international youth were dispersed by security after staging a sit-in at the Bella Center where the United Nations Framework Climate Change Conference is being held to demand that world leaders produce a fair, ambitious and legally binding climate treaty. [Xinhua]

Activists are evacuated by security from the plenary hall of the Bella Center during a sit-in demonstration, Copenhagen, December 16,2009. [Xinhua]