Methane trapped in ice
Methane trapped in ice

Gastrikland, Sweden

Frozen puddle, Lake Kastsjön
Frozen puddle, Lake Kastsjön

Gästrikland, Sweden

River delta - Järvsöholmarna, Sweden
River delta - Järvsöholmarna, Sweden

Methane trapped in ice
Methane trapped in ice

Gastrikland, Sweden

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