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Ranging from Bratislava to Korman in southwestern Slovakia, Zitny Ostrov (Rye Island) is Europe’s largest river island. It is so big that most visitors are unaware of being on one. It lies between the Danube, and its slower flowing tributary the Little Danube, in the Danubian Plain.
Several rivers flow across it and the rich alluvial [...]

One of Mexico’s largest islands, Cozumel, lies 20 km (12 miles) from the mainland, and 60 km (36 mi) south of Cancun. It is a flat, limestone island in the shape of a handgun, and punctured by dozens of cenotes (water-filled holes), many with their own marine forms, which are an extra attraction for tourists [...]