The dust originated from the Sahara desert and blew across the Mediterranean Sea on strong northwesterly winds, reaching Greece Tuesday . Skies over the Acropolis and other Greek landmarks turned a dramatic, fiery hue, prompting Greek authorities to issue a health warning over fine dust particles in the air.
In an April 23 Facebook post, Kostas compared Athens smothered by the orange haze to a"colony on Mars." Sign up for the Live Science daily newsletter nowGet the world’s most fascinating discoveries delivered straight to your inbox.