Photo taken on Sept. 18, 2015 shows Dr. Baburam Bhattarai, the vice president of Nepal's UCPN (Maoist) Party, signing documents during the adoption of the new constitution at Constituent Assembly (CA) building in Kathmandu, Nepal. Dr. Baburam Bhattarai announced his resignation on Saturday, ending a 25-year-long association with his party. (Xinhua/Sunil Sharma)
