The Mediterranean. Because people have been travelling there for thousands of years, it is believed to be without secrets. And yet, far below its...

Gombessa Expedition 4 Laurent Ballesta went to observe a gathering of thousands of groupers during the full moon of June 2014 (Le mystère mérou)...

Originally, in 2014, Laurent Ballesta had just one precise objective: to unravel the mystery of groupers. To understand the issues involved in their...