The Cotopaxi volcano, one of the world's highest active volcanoes, spews smoke as seen from El Pedregal, Ecuador, October 22, 2015. Ecuadorian authorities are monitoring activity at Cotopaxi volcano, which prompted Ecuador's President Rafael Correa to maintain a yellow alert for eruptions as bursts of ash keep spewing from the snow-encircled crater of the volcano and falling in gusts on residential communities. (Photo by Guillermo Granja/Reuters)





Ines Changoluisa poses for a picture in the northern outskirts of the Cotopaxi Volcano (seen in the background, R), one of the world's highest active volcanoes, at El Pedregal in Ecuador, October 22, 2015. (Photo by Guillermo Granja/Reuters)





The Cotopaxi volcano, one of the world's highest active volcanoes, spews smoke as seen from El Pedregal, Ecuador, October 22, 2015. (Photo by Guillermo Granja/Reuters)





Ines Changoluisa milks her cows in the northern outskirts of the Cotopaxi Volcano, one of the world's highest active volcanoes, at El Pedregal, in Ecuador, October 22, 2015. (Photo by Guillermo Granja/Reuters)





The Cotopaxi volcano, one of the world's highest active volcanoes, spews smoke as seen from El Pedregal, Ecuador, October 22, 2015. (Photo by Guillermo Granja/Reuters)





Locals harvest mortinios (blueberries) at the northern outskirts of the Cotopaxi volcano, one of the world's highest active volcanoes, at El Pedregal, in Ecuador, October 22, 2015. (Photo by Guillermo Granja/Reuters)





Locals harvest mortinios (blueberries) at the northern outskirts of the Cotopaxi volcano, one of the world's highest active volcanoes, at El Pedregal, in Ecuador, October 22, 2015. (Photo by Guillermo Granja/Reuters)





Locals harvest mortinios (blueberries) at the northern outskirts of the Cotopaxi volcano, one of the world's highest active volcanoes, at El Pedregal, in Ecuador October 22, 2015. (Photo by Guillermo Granja/Reuters)





The Cotopaxi volcano, one of the world's highest active volcanoes, spews smoke as seen from El Pedregal, Ecuador, October 22, 2015. (Photo by Guillermo Granja/Reuters)





Locals harvest mortinios (blueberries) at the northern outskirts of the Cotopaxi volcano, one of the world's highest active volcanoes, at El Pedregal, in Ecuador, October 22, 2015. (Photo by Guillermo Granja/Reuters)





Ines Changoluisa milks her cow in the northern outskirts of the Cotopaxi Volcano, one of the world's highest active volcanoes, at El Pedregal, in Ecuador, October 22, 2015. (Photo by Guillermo Granja/Reuters)





Ines Changoluisa milks her cow in the northern outskirts of the Cotopaxi Volcano, one of the world's highest active volcanoes, at El Pedregal in Ecuador, October 22, 2015. (Photo by Guillermo Granja/Reuters)





The Cotopaxi volcano, one of the world's highest active volcanoes, spews smoke as seen from El Pedregal, Ecuador, October 22, 2015. (Photo by Guillermo Granja/Reuters)