article_snippet.sent: The ice cave's unique formations are created by the heavy winter snow becoming compressed and forming ice.
article_snippet.sent: Then as the short, summer months arrive, intensive melting of the ice creates ravines which flow and hollow out the caves and tunnels.
article_snippet.sent: The cave was carved out of the glacier by an underground river that is sourced in a hot spring gushing from the Mutnovsky volcano itself.
article_snippet.sent: The caveare created by the heavy winter snow becoming compressed and forming ice .
article_snippet.sent: As the short, summer months arrive, intensive melting of the ice creates ravines which flow and hollow out the caves and tunnels .
article_snippet.sent: The cave was carved out of the glacier by an underground river that is sourced in a hot spring gushing from the Mutnovsky volcano itself .