Welcome to Greece, birthplace of democracy and drama. Discover the land of a thousand islands in the bright Aegean sunshine. See smoggy Athens and learn why this historic city suffers such pollution. Find out why the belly button of the cosmos is located at Delphi. Dive deep into the mystery of the lost city of Atlantis at Santorini.National Geographic supports K-12 educators with ELA Common Core Resources.Visit www.natgeoed.org/commoncore for more information.