http://divingalmanac.com/longest-stay-underwater-habitat-europe/ First published in 2007, the Diving Almanac celebrates the achievements of a unique group of people that share a passion for underwater adventure and discovery. It is the ultimate authority on diving exploits, history and personalities. Fri, 26 Oct 2018 01:53:14 +0000 hourly 1 https://wordpress.org/?v=4.9.8