Preview Houna blowholes in coral, Tongatapu Island, Tonga, Pacific Islands, Pacific Image ID: 450-1205 Artist: Upperhall Ltd Purchase a commercial license Buy framed prints & more from our print store travel photography travel destinations color image day outdoors horizontal nature natural world natural phenomena coast coasts coral corals blowholes blowhole water spray ocean oceans sea seas tongatapu island islands tonga pacific islands pacific surface processes physical geography