Some reasons (like huge volcanoes) have very fast effects, then disappear. (deepclimate.org)
The climate was cooling, sea levels were retreating, and huge volcanoes in India were belching out lava and lots of atmosphere - altering gases. (discovermagazine.com)
Many visitors find the combination of fascinating cultural attractions as well good shore - based resort diving set against the stunning Balinese back drop of huge volcanoes and picturesque rice paddy terraces simply irresistible. (dive-the-world.com)