World in focus — best photos for December 1, 2015

A member of the “Jaan Baaz” team of the Indian Border Security Force demonstrates his motorcycle skills during the BSF Golden Jubilee Day celebration in New Delhi on December 1, 2015. Money Sharma / Agence France-Presse

Workers clean the windows of an office building in central Seoul, South Korea, on December 1, 2015. Kim Hong / Reuters

A man drives his trike laden with plastic bottles for recycling in heavy pollution on December 1, 2015 in Beijing, China. China’s capital and many cities in the northern part of the country recorded the worst smog of the year. Levels of PM 2.5, considered the most hazardous, crossed 600 units in Beijing, nearly 25 times the acceptable mark set by the World Health Organization. The governments of more than 190 countries are meeting in Paris this week to set targets on reducing carbon emissions in an attempt to forge a new global agreement on climate change. Lintao Zhang / Getty Images)

The Great Pyramids and Sphinx in Giza, Egypt, are lit in green on November 30, 2015, to mark the World Climate Conference being held in France. Mahmoud Abdel Ghany / EPA

Shiite Muslim pilgrims walk through the Iraqi holy city of Najaf on November 30, 2015, on their way to Karbala, for the Arbaeen religious festival. It marks the 40th day after Ashura which commemorates the seventh century killing of Prophet Mohammed’s grandson, Imam Hussein. Iraq has increased security around Shiite areas aiming at reducing the risk of suicide bomb attacks by ISIL, an extremist Sunni group which controls parts of Iraq and considers Shiites heretics. Haidar Hamdani / Agence France-Presse

Members of parliament leave the sitting after tear gas was launched by opposition lawmakers (wearing masks) at Kosovo’s parliament in Pristina on November 30, 2015. It was the latest eruption of a long-running protest against agreements made with Serbia. Driton Vitia / Agence France-Presse

Indian security personnel detain activists of the Indian Youth Congress who were shouting slogans against the Narendra Modi-led National Democratic Alliance government during a protest against intolerance in New Delhi on November 30, 2015. Prakash Singh / Agence France-Presse

A man and a woman wear masks because of heavy pollution as they walk in Beijing's Tiananmen Square on December 1, 2015. The Chinese capital ordered hundreds of factories to close and allowed children to skip school as choking smog reached over 25 times safe levels on Tuesday, casting a cloud over the country's participation in Paris climate talks. Wang Zhao / Agence France-Presse

A look at the best photos from around the world today.