A 50-meter karst funnel formed in the Nizhny Novgorod region


TASSagency
 
A 50-meter karst funnel formed in the Nizhny Novgorod region
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A 50-meter karst funnel formed in the Nizhny Novgorod region - My, Funnel, Karst funnel, Trough, Nizhny Novgorod
Funnel Trough Karst funnel Nizhny Novgorod
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