Cotopaxi mountain, Ecuador – It was June 1877 and summer in the Sierra. The dry, Andean wind carried specks of ash that sprinkled down upon the sprawling haciendas and lush swaths of green pastures as hundreds of farm animals grazed at the foot of Cotopaxi, one of the world's highest active volcanoes. Since the beginning of….repubhubembed{display:none;}