Craters of extinct and passive volcanoes are circular depressions in the ground caused by ancient volcanic activities. It is typically a basin, circular in form within which occurs a vent (or vents)....
On December 5th, 2010 scientists unveiled an unprecedented new look at our planet at night. A global composite image, constructed using cloud-free night images from a new NASA and National Oceanic and...
Beautiful Bali has been called the famed island of the Gods. With its varied landscape of sandy beaches, hills and mountains, rugged coastlines and cliffs, gorgeous waterfalls, as well as lush rice terraces...