Stock Photo - 08 January 2021, North Rhine-Westphalia, Duisburg: A giant otter eats a trout in its enclosure at the zoo. The zoos in NRW lost millions in revenue last year due to the Corona closures and visitor restrictions and are currently living off their reserves. Photo: Roland Weihrauch/dpa. - Duisburg/North Rhine-Westphalia/Germany

Stock Photo: 08 January 2021, North Rhine-Westphalia, Duisburg: A giant otter eats a trout in its enclosure at the zoo. The zoos in NRW lost millions in revenue last year.

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