Why didn't he drown ?

A Man who doesn't know to swim was on a holiday trip
and he was not wearing anything to keep him afloat.
He fell off a yacht into a deep water and the man was rescued two hours later.

Why didn't he drown?

Click here for Answer

The Man was in the Dead Sea and hence he didnot drown.
As people float on dead becuase of extreme salty water which increases the density of Water.