Lights on a tree are powered by people cycling and generating electricity that form part of exhibit for the climate change conference in Durban, South Africa. (AP)

Romanian volunteers hold hands forming a red ribbon, the anti-AIDS symbol, during an awareness rally in central Bucharest, two days before World AIDS Day. (Reuters)

Local residents watch supporters of South Ossetia's presidential hopeful Alla Dzhioyeva marching in Tskhinvali, the regional capital of Georgia's breakaway province.  Dzhioyeva, an anti-corruption crusader and ex-education minister, has danced before hundreds of supporters to claim victory over her Kremlin-anointed rival. (AP)

Argentina's David Nalbandian serves during a training session for the upcoming Davis Cup final in Seville. Argentina will play against Spain in the Davis Cup final, December 2-4. (Reuters)

A girl looks from inside a school as she waits for her parents to pick her up in the old part of Rangoon, Burma. U.S. Secretary of State Hillary Clinton will test Burma's tentative democratic reforms this week in a high-stakes visit that could mark the Asian nation's return to the world stage after more than 50 years of political isolation. (Reuters)

A Kashmiri man rides a horse-drawn cart past a frost-covered field on the outskirts of Srinagar, India. (AP)

Seattle-based glass sculptor Dale Chihuly poses for a portrait with his work Mille Fiori at the new Halycon Gallery on New Bond Street in London. (Reuters)