Momotombo Volcano spews large clouds of gas and ash in La Paz Centro municipality, Leon department, western Nicaragua, on Dec. 2, 2015. Momotombo Volcano, located in the north of the Xolotlan Lake, western Nicaragua, continued its eruptive activity in the last hours, with incandescent material observed on its crater, according to the Municipal Committees of Disaster Prevention. (Xinhua/John Bustos)