People on inflatable boats enjoy the sun as they watch the Red Bull Cliff Diving competition on Lake Lucerne in Sisikon, Switzerland.

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People on inflatable boats enjoy the sun as they watch the Red Bull Cliff Diving competition on Lake Lucerne in Sisikon, Switzerland.
People on inflatable boats enjoy the sun as they watch the Red Bull Cliff Diving competition on Lake Lucerne in Sisikon, Switzerland.
Credit: Denis Balibouse/Reuters