Shark ecologist Ramsey gives a pre-dive briefing before taking tourist on a cage less shark dive tour...
Shark ecologist Ocean Ramsey gives a pre-dive briefing before taking tourist on a cage less shark dive tour in Haleiwa, Hawaii February 16, 2015. Shark tours are a popular form of eco-tourism in Hawaii and diving with sharks with out a cage is becoming increasingly popular. Picure taken February 16, 2015. REUTERS/Hugh Gentry (UNITED STATES - Tags: ANIMALS SOCIETY ENVIRONMENT TRAVEL)