Turquoise-green waters shimmer beneath rocky hills by Koroni’s castle on a hot July day. The Messinian Gulf sparkles along Greece’s southern coast, with the distant Mani mountains rising beyond the sea.

Stock photo: Turquoise-green waters shimmer beneath rocky hills by Koroni’s castle on a hot July day. The Messinian Gulf sparkles along Greece’s southern coast, with the distant Mani mountains rising beyond the sea. was taken by snapsellr .