'(<a href="http://www.j-archive.com/media/2007-03-02_J_05.jpg" target="_blank">Jeff Probst reports from Guatemala.</a>)  Mayan pyramids were characteristically constructed with <a href="http://www.j-archive.com/media/2007-03-02_J_05a.jpg" target="_blank">this</a> stone, named for the calcium oxide it produces when burned'
limestone
THE FIRST STONE: Mayan pyramids were characteristically constructed with this stone, named for the calcium oxide it produces when burned
Mayan pyramids were characteristically constructed with this stone, named for the calcium oxide it produces when burned
Mayan pyramids were characteristically constructed with this stone, named for the calcium oxide it produces when burned
THE FIRST "STONE"
limestone
THE FIRST "STONE"