Residents of a village in central Russia are trying to solve the mystery of a lake that disappeared overnight.
Russia's NTV channel showed a huge, muddy basin where the lake once was, in the village of Bolotnikovo.
"It looks like somebody has pulled the plug out of a gigantic bath," said the TV's correspondent, next to a deep debris-filled hole.
Local officials in Nizhny Novgorod region say the lake was probably sucked into an underground cave.
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Nizhni Novgorod is located at the strategic confluence of the Oka and Volga rivers.
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