TAGS: volcanoes, best volcanoes, famous volcanoes, active volcanoes, best volcanoes to visit in the world, lava, magma, most popular volcanoes in the world, world's most active volcanoes, top active volcanoes in the world, top 10 volcanoes to visit in the world, characteristics of volcanoes, description of Popokatepetl, El Popo volcano in Mexico, Mexico, Mexican seismic areas, Popocatepetl, Popokatepetl origin, the highest mountain in Mexico, the volcanic Mesa plateau,