A man kite surfs at Ghadira Bay in Mellieha, as Malta may be one of the countries added to a 'green' list where UK travellers will be able to visit with a negative coronavirus disease (COVID-19) test to be shown before travel but no quarantine needed after returning from holiday, Malta May 4, 2021. REUTERS/Darrin Zammit Lupi

A man kite surfs at Ghadira Bay in Mellieha, as Malta may be one of the countries added to a 'green' list where UK travellers will be able to visit with a negative coronavirus disease (COVID-19) test to be shown before travel but no quarantine needed after returning from holiday, Malta May 4, 2021. REUTERS/Darrin Zammit Lupi

Tattoos of a cross and Roman numerals for his year of birth are seen behind the ear of surfer Gabriel Medina of Brazil at the Rip Curl Narrabeen Classic competition in the Narrabeen suburb of northern Sydney, Australia, April 19, 2021. Picture taken April 19, 2021. REUTERS/Loren Elliott

Surfer Sally Fitzgibbons of Australia speaks with media as young fans look on during the Rip Curl Narrabeen Classic competition in the Narrabeen suburb of northern Sydney, Australia, April 19, 2021. Picture taken April 19, 2021. REUTERS/Loren Elliott

Surfer Gabriel Medina of Brazil signs autographs for fans after competing during the Rip Curl Narrabeen Classic competition in the Narrabeen suburb of northern Sydney, Australia, April 19, 2021. Picture taken April 19, 2021. REUTERS/Loren Elliott

Surfer Sally Fitzgibbons of Australia puts a hat on a young fan after competing during the Rip Curl Narrabeen Classic competition in the Narrabeen suburb of northern Sydney, Australia, April 19, 2021. Picture taken April 19, 2021. REUTERS/Loren Elliott

Surfer Sally Fitzgibbons of Australia signs autographs for young fans after competing during the Rip Curl Narrabeen Classic competition in the Narrabeen suburb of northern Sydney, Australia, April 19, 2021. Picture taken April 19, 2021. REUTERS/Loren Elliott

Surfer Sally Fitzgibbons of Australia signs autographs for young fans after competing during the Rip Curl Narrabeen Classic competition in the Narrabeen suburb of northern Sydney, Australia, April 19, 2021. Picture taken April 19, 2021. REUTERS/Loren Elliott

Surfer Macy Callaghan of Australia competes during the Rip Curl Narrabeen Classic competition in the Narrabeen suburb of northern Sydney, Australia, April 19, 2021. Picture taken April 19, 2021. REUTERS/Loren Elliott

Citizen scientists conduct a AUSMAP microplastic survey on Surf Beach in Kiama, Australia, March 30, 2021. Picture taken March 30, 2021. REUTERS/James Redmayne

Citizen scientists search for microplastics on Surf Beach in Kiama, Australia, March 30, 2021. Picture taken March 30, 2021. REUTERS/James Redmayne

Surfer Gabriel Medina, who is set to represent Brazil at the Tokyo 2020 Summer Olympic Games, is greeted by the fans after competing in the Rip Curl Narrabeen Classic competition in the Narrabeen suburb of northern Sydney, Australia, April 19, 2021. REUTERS/Loren Elliott

Surfer Gabriel Medina, who is set to represent Brazil at the Tokyo 2020 Summer Olympic Games, is greeted by wife Yasmin Brunet after competing during the Rip Curl Narrabeen Classic competition in the Narrabeen suburb of northern Sydney, Australia, April 19, 2021. REUTERS/Loren Elliott

Surfer Gabriel Medina, who is set to represent Brazil at the Tokyo 2020 Summer Olympic Games, takes a picture with fans after competing during the Rip Curl Narrabeen Classic competition in the Narrabeen suburb of northern Sydney, Australia, April 19, 2021. REUTERS/Loren Elliott

Surfer Gabriel Medina, who is set to represent Brazil at the Tokyo 2020 Summer Olympic Games, leaves the water after competing during the Rip Curl Narrabeen Classic competition in the Narrabeen suburb of northern Sydney, Australia, April 19, 2021. REUTERS/Loren Elliott

Surfer Gabriel Medina, who is set to represent Brazil at the Tokyo 2020 Summer Olympic Games, competes at the Rip Curl Narrabeen Classic competition in the Narrabeen suburb of northern Sydney, Australia, April 19, 2021. REUTERS/Loren Elliott

Surfer Gabriel Medina, who is set to represent Brazil at the Tokyo 2020 Summer Olympic Games, competes at the Rip Curl Narrabeen Classic competition in the Narrabeen suburb of northern Sydney, Australia, April 19, 2021. REUTERS/Loren Elliott

Surfer Gabriel Medina, who is set to represent Brazil at the Tokyo 2020 Summer Olympic Games, competes at the Rip Curl Narrabeen Classic competition in the Narrabeen suburb of northern Sydney, Australia, April 19, 2021. REUTERS/Loren Elliott

Surfer Gabriel Medina, who is set to represent Brazil at the Tokyo 2020 Summer Olympic Games, competes at the Rip Curl Narrabeen Classic competition in the Narrabeen suburb of northern Sydney, Australia, April 19, 2021. REUTERS/Loren Elliott

Koji Suzuki, 66, a surfer and a surf shop owner, works at his shop in Minamisoma, Fukushima Prefecture, Japan, April 16, 2021. REUTERS/Akira Tomoshige

Koji Suzuki, 66, a surfer and a surf shop owner, looks on at Karasuzaki beach, around 30 kilometres (20 miles) north of the tsunami-crippled Fukushima Daiichi Nuclear Power Plant, in Minamisoma, Fukushima Prefecture, Japan, April 16, 2021. REUTERS/Akira Tomoshige

Koji Suzuki, 66, a surfer and a surf shop owner, holds his surfboard at Karasuzaki beach, around 30 kilometres (20 miles) north of the tsunami-crippled Fukushima Daiichi Nuclear Power Plant, in Minamisoma, Fukushima Prefecture, Japan, April 16, 2021. REUTERS/Akira Tomoshige

Mei Kwok, 36, and Dorian Lam, 36, go surfing in the Pacific Ocean, as the coronavirus disease (COVID-19) disease pandemic continues, on Venice Beach in Los Angeles, California, U.S., April 13, 2021. REUTERS/Lucy Nicholson

British Prime Minister Boris Johnson gives a thumbs-up as he walks to visit Ann's Cottage Surf Shop in Truro, Cornwall, Britain April 7, 2021. Justin Tallis/Pool via REUTERS

British Prime Minister Boris Johnson reacts as he walks to visit Ann's Cottage Surf Shop in Truro, Cornwall, Britain April 7, 2021. Justin Tallis/Pool via REUTERS

British Prime Minister Boris Johnson wearing a protective mask visits Ann's Cottage Surf Shop in Truro, Cornwall, Britain April 7, 2021. Justin Tallis/Pool via REUTERS

British Prime Minister Boris Johnson wearing a protective mask visits Ann's Cottage Surf Shop in Truro, Cornwall, Britain April 7, 2021. Justin Tallis/Pool via REUTERS

British Prime Minister Boris Johnson wearing a protective mask visits Ann's Cottage Surf Shop in Truro, Cornwall, Britain April 7, 2021. Justin Tallis/Pool via REUTERS

British Prime Minister Boris Johnson visits Ann's Cottage Surf Shop in Truro, Cornwall, Britain April 7, 2021. Justin Tallis/Pool via REUTERS

British Prime Minister Boris Johnson wearing a protective mask arrives to visit Ann's Cottage Surf Shop in Truro, Cornwall, Britain April 7, 2021. Justin Tallis/Pool via REUTERS

British Prime Minister Boris Johnson wearing a protective mask visits Ann's Cottage Surf Shop in Truro, Cornwall, Britain April 7, 2021. Justin Tallis/Pool via REUTERS

A person teaches surfing to children at Barceloneta beach, amid the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain April 3, 2021. REUTERS/Nacho Doce

A combination picture shows an aerial view of fishing boats sailing in the Sea of Galilee in northern Israel, March 9, 2021 and a dog looking on as a man surfs on the Sea of Galilee in northern Israel, March 30, 2021. REUTERS/Amir Cohen (top) /Nir Elias (bottom) SEARCH "HOLY LAND" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES TPX IMAGES OF THE DAY

A dog looks on as a man surfs on the Sea of Galilee in northern Israel, March 30, 2021. REUTERS/ Nir Elias SEARCH "HOLY LAND" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES TPX IMAGES OF THE DAY

A person surfs in front of the pier at Bournemouth Beach, in Bournemouth, Britain, March 30, 2021. REUTERS/Paul Childs

A person surfs in front of the pier at Bournemouth Beach, in Bournemouth, Britain, March 30, 2021. REUTERS/Paul Childs

People take surfing lessons in Arpoador beach as individual sports are allowed, after the city of Rio de Janeiro decreed 10 days of holiday to contain the advance of the coronavirus disease (COVID-19), in Rio de Janeiro, Brazil March 26, 2021. REUTERS/Pilar Olivares

Surfers take part in farewell ceremony to Olympic surfer hopeful Katherine Diaz at el Tunco beach in Tamanique, El Salvador, March 23, 2021. REUTERS/Jose Cabezas

Surfers take part in farewell ceremony to Olympic surfer hopeful Katherine Diaz at el Tunco beach in Tamanique, El Salvador, March 23, 2021. REUTERS/Jose Cabezas

Surfers take part in farewell ceremony to Olympic surfer hopeful Katherine Diaz at el Tunco beach in Tamanique, El Salvador, March 23, 2021. REUTERS/Jose Cabezas

Surfers take part in farewell ceremony to Olympic surfer hopeful Katherine Diaz at el Tunco beach in Tamanique, El Salvador, March 23, 2021. REUTERS/Jose Cabezas

A surfer pray during a farewell ceremony to Olympic surfer hopeful Katherine Diaz at el Tunco beach in Tamanique, El Salvador, March 23, 2021. REUTERS/Jose Cabezas

A surfer walks out the sea after a farewell ceremony to Olympic surfer hopeful Katherine Diaz at el Tunco beach in Tamanique, El Salvador, March 23, 2021. REUTERS/Jose Cabezas

Surfers take part in farewell ceremony to Olympic surfer hopeful Katherine Diaz at el Tunco beach in Tamanique, El Salvador, March 23, 2021. REUTERS/Jose Cabezas

A girl takes part in farewell ceremony to Olympic surfer hopeful Katherine Diaz at el Tunco beach in Tamanique, El Salvador, March 23, 2021. REUTERS/Jose Cabezas

A surfer takes part in farewell ceremony to Olympic surfer hopeful Katherine Diaz at el Tunco beach in Tamanique, El Salvador, March 23, 2021. REUTERS/Jose Cabezas

A woman takes part in farewell ceremony to Olympic surfer hopeful Katherine Diaz at el Tunco beach in Tamanique, El Salvador, March 23, 2021. REUTERS/Jose Cabezas

People take part in farewell ceremony to Olympic surfer hopeful Katherine Diaz at el Tunco beach in Tamanique, El Salvador, March 23, 2021. REUTERS/Jose Cabezas

Pismo the surfing goat surfs catches a wave while surfing with kids in San Clemente, California, U.S., March 19, 2021. Picture taken March 19, 2021. REUTERS/Mike Blake

Dana McGregor (L) and Pismo his surfing goat catch a wave with friends while surfing with kids in San Clemente, California, U.S., March 19, 2021. Picture taken March 19, 2021. REUTERS/Mike Blake TPX IMAGES OF THE DAY

Pismo the surfing goat waits for some food after surfing with kids in San Clemente, California, U.S., March 19, 2021. Picture taken March 19, 2021. REUTERS/Mike Blake

Pismo the surfing goat is lifted onto a large surfboard before surfing with kids in San Clemente, California, U.S., March 19, 2021. Picture taken March 19, 2021. REUTERS/Mike Blake

Dana McGregor poses for a picture as he arrives at the beach with his surfing goat Pismo (L) and Grover in San Clemente, California, U.S., March 19, 2021.Picture taken March 19, 2021. REUTERS/Mike Blake

Pismo the surfing goat is placed on a large surfboard before surfing with kids in San Clemente, California, U.S., March 19, 2021. Picture taken March 19, 2021. REUTERS/Mike Blake

Surfing goat Pismo heads to the beach after surfing in San Clemente, California, U.S., March 19, 2021. Picture taken March 19, 2021. REUTERS/Mike Blake

Dana McGregor (R) paddles out into the surf with friends, kids and his surfing goat Pismo in San Clemente, California, U.S., March 19, 2021. Picture taken March 19, 2021. REUTERS/Mike Blake

Pismo the surfing goat surfs catches a wave while surfing with kids in San Clemente, California, U.S., March 19, 2021. Picture taken March 19, 2021. REUTERS/Mike Blake

Surfing goat Pismo (L) and Grover look out at the ocean from the beach in San Clemente, California, U.S., March 19, 2021. Picture taken March 19, 2021. REUTERS/Mike Blake

Surfing goat Pismo looks out at the ocean before going surfing in San San Clemente, California, U.S., March 19, 2021. Picture taken March 19, 2021. REUTERS/Mike Blake