Swimmers enjoy the sea at an open to the public beach, at Alimos suburb, near Athens, on Saturday, May 16, 2020. Greece allowed the reopening of organized beaches, where visitors pay to get in, from Saturday when a heat wave is expected to hit the country, a measure that would affect 515 beaches all over Greece, where shade umbrellas must be planted at least 4 meters (13 feet) apart, and a maximum 40 people will be allowed in every 1,000 square meters (11,000 square feet) of beach