Police stand guard during a protest called by alliance of opposition parties led by UCPN (Maoist) against the upcoming new constitution in Kathmandu, capital of Nepal, on Sept. 20, 2015. The much-delayed constitution will come into effect on Sept. 20 once it is unveiled by President Ram Baran Yadav at the Constituent Assembly building in the Nepalese capital. (Xinhua/Sunil Sharma)
