Newly-hatched baby sea turtles make their way into the Mediterranean Sea for the first time, as part of the Israeli Sea Turtle Rescue Center's conservation programme, at a beach near Mikhmoret north of Tel Aviv, Israel September 9, 2019. Picture taken September 9, 2019. REUTERS/Amir Cohen

A newly-hatched baby sea turtle makes its way into the Mediterranean Sea for the first time, as part of the Israeli Sea Turtle Rescue Center's conservation programme, at a beach near Mikhmoret north of Tel Aviv, Israel September 9, 2019. Picture taken September 9, 2019. REUTERS/Amir Cohen

A newly-hatched baby sea turtle makes its way into the Mediterranean Sea for the first time, as part of the Israeli Sea Turtle Rescue Center's conservation programme, at a beach near Mikhmoret north of Tel Aviv, Israel September 9, 2019. Picture taken September 9, 2019. REUTERS/Amir Cohen

A woman paddles on a stand-up board during sunrise in a beach in Larnaca, Cyprus September 15, 2019. REUTERS/Yiannis Kourtoglou

People paddle on a stand-up board during sunrise in a beach in Larnaca, Cyprus September 15, 2019. REUTERS/Yiannis Kourtoglou

People paddle on a stand-up board during sunrise in a beach in Larnaca, Cyprus September 15, 2019. REUTERS/Yiannis Kourtoglou

People ride a pedal boat on the Vltava River as the sun sets over the Prague Castle in Prague, Czech Republic, September 10, 2019. REUTERS/David W Cerny

People ride pedal boats on the Vltava River as the sun sets over the Prague Castle in Prague, Czech Republic, September 10, 2019. REUTERS/David W Cerny

People protect themselves from the sun with parasols while rowing in Central Park as a heatwave continues to affect the region in New York, U.S., July 21, 2019. REUTERS/Andrew Kelly

A general view of Fanore beach in evening light, Fanore, Ireland, July 7, 2019. REUTERS/Peter Cziborra

72nd Cannes Film Festival - Photocall for the film "Family Romance, LLC" presented as part of special screenings - Cannes, France, May 19, 2019. Director Werner Herzog poses. REUTERS/Stephane Mahe

72nd Cannes Film Festival - Photocall for the film "Family Romance, LLC" presented as part of special screenings - Cannes, France, May 19, 2019. Director Werner Herzog poses. REUTERS/Stephane Mahe

72nd Cannes Film Festival - Photocall for the film "Family Romance, LLC" presented as part of special screenings - Cannes, France, May 19, 2019. Producer Roc Morin poses. REUTERS/Stephane Mahe

72nd Cannes Film Festival - Photocall for the film "Family Romance, LLC" presented as part of special screenings - Cannes, France, May 19, 2019. Director Werner Herzog poses. REUTERS/Stephane Mahe

72nd Cannes Film Festival - Photocall for the film "Family Romance, LLC" presented as part of special screenings - Cannes, France, May 19, 2019. Producer Roc Morin poses. REUTERS/Stephane Mahe

72nd Cannes Film Festival - Photocall for the film "Family Romance, LLC" presented as part of special screenings - Cannes, France, May 19, 2019. Producer Roc Morin poses. REUTERS/Jean-Paul Pelissier

72nd Cannes Film Festival - Photocall for the film "Family Romance, LLC" presented as part of special screenings - Cannes, France, May 19, 2019. Director Werner Herzog poses. REUTERS/Jean-Paul Pelissier

72nd Cannes Film Festival - Photocall for the film "Family Romance, LLC" presented as part of special screenings - Cannes, France, May 19, 2019. Director Werner Herzog and producer Roc Morin pose. REUTERS/Stephane Mahe

72nd Cannes Film Festival - Photocall for the film "Family Romance, LLC" presented as part of special screenings - Cannes, France, May 19, 2019. Director Werner Herzog and producer Roc Morin pose. REUTERS/Jean-Paul Pelissier

Locks hang at Gorky Park in Minsk, Belarus November 22, 2018. REUTERS/Vasily Fedosenko

A man rides a boat as seagulls fly over the waters of the river Yamuna early morning in New Delhi, India, November 21, 2018. REUTERS/Anushree Fadnavis TPX IMAGES OF THE DAY

The sun sets on the minarets and the Great Pyramids of Giza (L) in Old Cairo, Egypt November 19, 2018. REUTERS/Amr Abdallah Dalsh

A general view of the city and the Great Pyramids during sunset in Cairo, Egypt November 19, 2018. REUTERS/Amr Abdallah Dalsh

Birds are silhouetted as they fly during sunset over a minaret of a mosque on Mawlid al-Nabi, the birthday of Prophet Mohammad in the old Islamic area of Cairo, Egypt November 19, 2018. REUTERS/Amr Abdallah Dalsh

Birds are silhouetted as they fly during sunset over a minaret of a mosque on Mawlid al-Nabi, the birthday of Prophet Mohammad in the old Islamic area of Cairo, Egypt November 19, 2018. REUTERS/Amr Abdallah Dalsh

Birds are silhouetted as they fly during sunset on Mawlid al-Nabi, the birthday of Prophet Mohammad in the old Islamic area of Cairo, Egypt November 19, 2018. REUTERS/Amr Abdallah Dalsh

A ship sails towards Colombo main harbour as the rainy clouds gathered above the sunset are seen from Galle Dutch Fort in Galle, Sri Lanka November 7, 2018. REUTERS/Dinuka Liyanawatte TPX IMAGES OF THE DAY

A rainbow forms over the U.S. Capitol as evening sets on midterm Election Day in Washington, U.S. November 6, 2018. REUTERS/Jonathan Ernst TPX IMAGES OF THE DAY

People have fun on a beach during sunset at Ko Kut island in Trat Province, Thailand October 27, 2018. REUTERS/Jorge Silva TPX IMAGES OF THE DAY

Palestinian demonstrators are reflected in rain water after attending a protest calling for lifting the blockade on Gaza, at the Israel-Gaza border fence in Gaza October 26, 2018. REUTERS/Mohammed Salem TPX IMAGES OF THE DAY

Central American migrants cross the Suchiate river into Mexico on a raft as they try to reach a migrant caravan heading to U.S., in Ciudad Hidalgo, Mexico October 23, 2018. REUTERS/Ueslei Marcelino

Surfers are seen during a sunset on Arpoador beach in Rio de Janeiro, Brazil, October 22, 2018. REUTERS/Sergio Moraes

A fisherman sets out to begin the traditional carp haul near the town of Trebon, Czech Republic October 15, 2018. REUTERS/David W Cerny

A fisherman sets out to begin the traditional carp haul near the town of Trebon, Czech Republic October 15, 2018. REUTERS/David W Cerny

Fishermen set out to begin the traditional carp haul near the town of Trebon, Czech Republic October 15, 2018. REUTERS/David W Cerny

Birds fly over a fisherman during the traditional carp haul near the town of Trebon, Czech Republic October 15, 2018. REUTERS/David W Cerny

Fishermen pull a net from a pond during the traditional carp haul near the town of Trebon, Czech Republic October 15, 2018. REUTERS/David W Cerny

Fishermen pull a net from a pond during the traditional carp haul near the town of Trebon, Czech Republic October 15, 2018. REUTERS/David W Cerny

Tower Bridge and skyscrapers are seen at sunrise in London, Britain, September 25, 2018. Picture taken September 25, 2018. To match Exclusive BRITAIN-EU/CITY REUTERS/Toby Melville

People and yachts are silhouetted as the sun sets off Marseille harbour, France September 25, 2018. REUTERS/Jean-Paul Pelissier

People and a yacht are silhouetted as the sun sets off Marseille harbour, France September 25, 2018. REUTERS/Jean-Paul Pelissier

Sheila Munyiva, lead actor who plays Ziki, and actor Patricia Kihoro pose for a photograph as they arrive at a screening of the Kenyan movie "Rafiki", an acclaimed film portraying a lesbian romance, after a judge temporarily lifted a ban on the film, in Nairobi, Kenya September 25, 2018. REUTERS/Njeri Mwangi

Sheila Munyiva, lead actor who plays Ziki, arrives at a screening of the Kenyan movie "Rafiki", an acclaimed film portraying a lesbian romance, after a judge temporarily lifted a ban on the film, in Nairobi, Kenya September 25, 2018. REUTERS/Njeri Mwangi

Sheila Munyiva, lead actor who plays Ziki, talks to a man as she arrives at a screening of the Kenyan movie "Rafiki", an acclaimed film portraying a lesbian romance, after a judge temporarily lifted a ban on the film, in Nairobi, Kenya September 25, 2018. REUTERS/Njeri Mwangi

Sheila Munyiva, lead actor who plays Ziki, talks to a man as she arrives at a screening of the Kenyan movie "Rafiki", an acclaimed film portraying a lesbian romance, after a judge temporarily lifted a ban on the film, in Nairobi, Kenya September 25, 2018. REUTERS/Njeri Mwangi

A man and a woman hold hands as they stroll at a shopping area in downtown Madrid, Spain, September 21, 2018. REUTERS/Susana Vera

People sit along the promenade to watch the sunset in Qawra, Malta September 20, 2018. REUTERS/Darrin Zammit Lupi

Boats on the Arcachon Bay are pictured at sunset in Arcachon, France, September 8, 2018. REUTERS/Regis Duvignau

A couple enjoy the sunset in Arcachon, France, September 8, 2018. REUTERS/Regis Duvignau

Boats on the Arcachon Bay are pictured at sunset in Arcachon, France, September 8, 2018. REUTERS/Regis Duvignau

The Arcachon Bay is pictured at sunset in Arcachon, France, September 8, 2018. REUTERS/Regis Duvignau

Boats on the Arcachon Bay are pictured at sunset in Arcachon, France, September 8, 2018. REUTERS/Regis Duvignau

The sun sets behind the Gardos tower in the old town of Zemun, Belgrade, Serbia August 15, 2018. REUTERS/Marko Djurica

A bride poses for photo during a total lunar eclipse from in Brasilia, Brazil, July 27, 2018. REUTERS/Ueslei Marcelino

A couple poses for photo during a total lunar eclipse from in Brasilia, Brazil, July 27, 2018. REUTERS/Ueslei Marcelino

A couple poses for photo during a total lunar eclipse from in Brasilia, Brazil, July 27, 2018. REUTERS/Ueslei Marcelino