Sep 21, 2021
Giant pyramid built by the Maya was made from rock spewed by a volcano
About 1,500 years ago, Maya builders crafted a massive pyramid out of rock that had been ejected by a volcano, in an eruption that was so powerful it chilled the planet, scientists recently discovered. Around A.D. 539, in what is now San Andrés, El Salvador, the Ilopango caldera erupted in...