If you can read this message, you are too close? Hints for maintaining one’s composure during a volcano eruption, courtesy of Poas Volcano National Park in Costa Rica. Photo credit: M. Ciavardini
If you can read this message, you are too close? Hints for maintaining one’s composure during a volcano eruption, courtesy of Poas Volcano National Park in Costa Rica. Photo credit: M. Ciavardini