From Ken Jennings (yes, that Ken Jennings) at cntraveller.com :

"The Archipelago of San Bernardo is a scatter of tiny islands in Colombia's Gulf of Morrosquillo. Just a two-hour journey southwest of Cartagena through crystalline Caribbean waters lies the smallest isle in the archipelago, Santa Cruz del Islote. Though it's only 2.4 acres in size, Santa Cruz is home to over 1,200 people. That's four times as dense as Manhattan—and with no high-rises at all, just tiny one-story houses linked by a maze of alleyways."

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