Anglers stand on a shipping pier on the banks of Lake Zurich, as the spread of the coronavirus disease (COVID-19) continues, during a clear summer morning in Zurich, Switzerland August 6, 2020. REUTERS/Arnd Wiegmann

Anglers arrive for a days' fishing, amid the coronavirus disease (COVID-19) outbreak, in Farmoor Reservoir, Farmoor, Britain, May 15, 2020. Picture taken May 15, 2020. REUTERS/Paul Childs

An angler catches a fish on his line, amid the coronavirus disease (COVID-19) outbreak, in Farmoor Reservoir, Farmoor, Britain, May 15, 2020. Picture taken May 15, 2020. REUTERS/Paul Childs

An angler casts out his rod as he attempts to catch a fish, amid the coronavirus disease (COVID-19) outbreak, in Farmoor Reservoir, Farmoor, Britain, May 15, 2020. Picture taken May 15, 2020. REUTERS/Paul Childs

An angler sets up for a day's fishing, amid the coronavirus disease (COVID-19) outbreak, in Farmoor Reservoir, Farmoor, Britain, May 15, 2020. Picture taken May 15, 2020. REUTERS/Paul Childs

An angler cast his rod out as he attempts to catch a fish, amid the coronavirus disease (COVID-19) outbreak, in Farmoor Reservoir, Farmoor, Britain, May 15, 2020. Picture taken May 15, 2020. REUTERS/Paul Childs

An angler removes a hook from the mouth of a fish after it had been caught, amid the coronavirus disease (COVID-19) outbreak, in Farmoor Reservoir, Farmoor, Britain, May 15, 2020. Picture taken May 15, 2020. REUTERS/Paul Childs

An angler is issued with his daily fishing permit, amid the coronavirus disease (COVID-19) outbreak, in Farmoor Reservoir, Farmoor, Britain, May 15, 2020. Picture taken May 15, 2020. REUTERS/Paul Childs

Social distancing signs are seen as anglers attempt to catch fish, amid the coronavirus disease (COVID-19) outbreak, in Farmoor Reservoir, Farmoor, Britain, May 15, 2020. Picture taken May 15, 2020. REUTERS/Paul Childs

Swans swim past an angler, amid the coronavirus disease (COVID-19) outbreak, in Farmoor Reservoir, Farmoor, Britain, May 15, 2020. Picture taken May 15, 2020. REUTERS/Paul Childs

An angler casts out his rod, amid the coronavirus disease (COVID-19) outbreak, in Farmoor Reservoir, Farmoor, Britain, May 15, 2020. Picture taken May 15, 2020. REUTERS/Paul Childs

An angler wearing a face mask sits in his chair trying to catch a fish, amid the coronavirus disease (COVID-19) outbreak, in Farmoor Reservoir, Farmoor, Britain, May 15, 2020. Picture taken May 15, 2020. REUTERS/Paul Childs

An angler walks along the banks of a reservoir after spending the day fishing, amid the coronavirus disease (COVID-19) outbreak, in Farmoor Reservoir, Farmoor, Britain, May 15, 2020. REUTERS/Paul Childs

An angler picks out a hook from inside a box, amid the coronavirus disease (COVID-19) outbreak, in Farmoor Reservoir, Farmoor, Britain, May 15, 2020. Picture taken May 15, 2020. REUTERS/Paul Childs

An angler is seen fishing amid the coronavirus disease (COVID-19) outbreak in Farmoor Reservoir, Farmoor, Britain, May 15, 2020. Picture taken May 15, 2020. REUTERS/Paul Childs

An angler sits in his chair trying to catch a fish, amid the coronavirus disease (COVID-19) outbreak, in Farmoor Reservoir, Farmoor, Britain, May 15, 2020. Picture taken May 15, 2020. REUTERS/Paul Childs

Fish are lined up on the banks next to the reservoir after they had been caught by an angler, amid the coronavirus disease (COVID-19) outbreak, in Farmoor Reservoir, Farmoor, Britain, May 15, 2020. Picture taken May 15, 2020. REUTERS/Paul Childs

Old fishing hooks are seen on an angler's hat, amid the coronavirus disease (COVID-19) outbreak, in Farmoor Reservoir, Farmoor, Britain, May 15, 2020. Picture taken May 15, 2020. REUTERS/Paul Childs

An angler poses for a photogragh, as he holds up a fish he has caught, amid the coronavirus disease (COVID-19) outbreak, in Farmoor Reservoir, Farmoor, Britain, May 15, 2020. Picture taken May 15, 2020. REUTERS/Paul Childs

An angler wears a makeshift face mask whilst fishing, amid the coronavirus disease (COVID-19) outbreak, in Farmoor Reservoir, Farmoor, Britain, May 15, 2020. Picture taken May 15, 2020. REUTERS/Paul Childs

A fish caught by an angler is carried from the water, amid the coronavirus disease (COVID-19) outbreak, in Farmoor Reservoir, Farmoor, Britain, May 15, 2020. Picture taken May 15, 2020. REUTERS/Paul Childs

An angler reads a fishing rules sign, amid the coronavirus disease (COVID-19) outbreak, in Farmoor Reservoir, Falmoor, Britain, May 15, 2020. Picture taken May 15, 2020. REUTERS/Paul Childs

An angler casts his line from the Brighton Marina sea wall on the first day fishing has been permitted since the lockdown following the outbreak of the coronavirus disease (COVID-19), Brighton, Britain, May 14, 2020. REUTERS/Toby Melville

An angler casts his line from the Brighton Marina sea wall on the first day fishing has been permitted since the lockdown following the outbreak of the coronavirus disease (COVID-19), Brighton, Britain, May 14, 2020. REUTERS/Toby Melville

A fisherman wearing a face mask catches fish on the Berounka river bank as the spread of the coronavirus disease (COVID-19) continues in Beroun, Czech Republic, March 28, 2020. REUTERS/David W Cerny

A harpoon fisherman is seen on Recreio dos Bandeirantes beach, amid the coronavirus disease (COVID-19) outbreak, in Rio de Janeiro, Brazil March 27, 2020. REUTERS/Sergio Moraes

An angler returns a salmon to the river on the opening day of the salmon fishing season on the River Tay near Meikleour, Scotland, Britain January 15, 2020. REUTERS/Russell Cheyne

An angler's rod and reel rest on the bank of the River Tay on the opening day of the salmon fishing season near Meikleour, Scotland, Britain January 15, 2020. REUTERS/Russell Cheyne

A campfire burns on the bank of the River Tay on the opening day of the salmon fishing season near Meikleour, Scotland, Britain January 15, 2020. REUTERS/Russell Cheyne

An angler casts a line from the bank of the River Tay on the opening day of the salmon fishing season near Meikleour, Scotland, Britain January 15, 2020. REUTERS/Russell Cheyne

An angler casts a line from the bank of the River Tay on the opening day of the salmon fishing season near Meikleour, Scotland, Britain January 15, 2020. REUTERS/Russell Cheyne

An angler casts a line from the bank of the River Tay on the opening day of the salmon fishing season near Meikleour, Scotland, Britain January 15, 2020. REUTERS/Russell Cheyne

An angler casts a line from the bank of the River Tay on the opening day of the salmon fishing season near Meikleour, Scotland, Britain January 15, 2020. REUTERS/Russell Cheyne

An angler casts a line from the bank of the River Tay on the opening day of the salmon fishing season near Meikleour, Scotland, Britain January 15, 2020. REUTERS/Russell Cheyne

An angler casts a line from the bank of the River Tay on the opening day of the salmon fishing season near Meikleour, Scotland, Britain January 15, 2020. REUTERS/Russell Cheyne

An angler casts a line from the bank of the River Tay on the opening day of the salmon fishing season near Meikleour, Scotland, Britain January 15, 2020. REUTERS/Russell Cheyne

An angler casts a line from the bank of the River Tay on the opening day of the salmon fishing season near Meikleour, Scotland, Britain January 15, 2020. REUTERS/Russell Cheyne

An angler casts a line from the bank of the River Tay on the opening day of the salmon fishing season near Meikleour, Scotland, Britain January 15, 2020. REUTERS/Russell Cheyne

An angler casts a line from the bank of the River Tay on the opening day of the salmon fishing season near Meikleour, Scotland, Britain January 15, 2020. REUTERS/Russell Cheyne

An angler casts a line from the bank of the River Tay on the opening day of the salmon fishing season near Meikleour, Scotland, Britain January 15, 2020. REUTERS/Russell Cheyne

An angler casts a line from the bank of the River Tay on the opening day of the salmon fishing season near Meikleour, Scotland, Britain January 15, 2020. REUTERS/Russell Cheyne

A fisherman digs for bait in front of the Liverpool skyline on the beach at New Brighton, Britain November 19, 2019. REUTERS/Phil Noble

Men fish from the shore in Beirut, Lebanon November 9, 2019. REUTERS/Andres Martinez Casares

A fisherman rows his boat along autumnal trees during a sunny day at the Sylvenstein barrier lake, Germany October 15, 2019. REUTERS/Michael Dalder

A fisherman rows his boat along autumnal trees during a sunny day at the Sylvenstein barrier lake, Germany October 15, 2019. REUTERS/Michael Dalder

A fisherman rows his boat along autumnal trees during a sunny day at the Sylvenstein barrier lake, Germany October 15, 2019. REUTERS/Michael Dalder

Swans swim past anglers on a boat during sunny autumn weather on Lake Zurich in Zurich, Switzerland October 14, 2019. REUTERS/Arnd Wiegmann

A man fishes under the bridge across Yenisei river with the air temperature at about -31 degrees Celsius during sunset near the hydro electric power station outside Krasnoyarsk, Russia December 24, 2018. REUTERS/Ilya Naymushin

Yoko Yamamoto, 70, cleans a pufferfish caught by anglers near Ohara port in Isumi, east of Tokyo, Japan November 21, 2018. Picture taken November 21, 2018. To match Insight CLIMATE-CHANGE/JAPAN-FUGU REUTERS/Issei Kato

Anglers on board the Shikishima-maru return from a pufferfish fishing trip at Ohara port in Isumi, east of Tokyo, Japan November 21, 2018. Picture taken November 21, 2018. To match Insight CLIMATE-CHANGE/JAPAN-FUGU REUTERS/Issei Kato

Pufferfish caught by anglers swim in buckets at Ohara port in Isumi, east of Tokyo, Japan November 21, 2018. Picture taken November 21, 2018. To match Insight CLIMATE-CHANGE/JAPAN-FUGU REUTERS/Issei Kato

Fishing boat Shikishima-maru captain Yukio Yamamoto, 49, peels the skin of pufferfish caught by anglers near Ohara port in Isumi, east of Tokyo, Japan November 21, 2018. Picture taken November 21, 2018. To match Insight CLIMATE-CHANGE/JAPAN-FUGU REUTERS/Issei Kato

A fisherman is seen on a bank of the Yenisei River at sunset near the Krasnoyarsk hydro electric power station, with the air temperature at about minus 32 degrees Celsius (minus 25.6 degrees Fahrenheit), outside Krasnoyarsk, Russia January 26, 2018. REUTERS/Ilya Naymushin SEARCH "POY GLOBAL" FOR FOR THIS STORY. SEARCH "REUTERS POY" FOR ALL BEST OF 2018 PACKAGES. TPX IMAGES OF THE DAY.

A fisherman stands at the shore of Lake Sylvensteinspeicher near Lenggries, Germany, October 21, 2018. REUTERS/Andreas Gebert

A fisherman stands at the shore of Lake Sylvensteinspeicher near Lenggries, Germany, October 21, 2018. REUTERS/Andreas Gebert

A fisherman's boat floats on the Yenisei River near the Siberian town of Divnogorsk, Russia September 20, 2018. REUTERS/Ilya Naymushin

A man stands on an embankment of the Yenisei River in the Siberian town of Divnogorsk, Russia September 20, 2018. REUTERS/Ilya Naymushin

Sea angler Con O'Sullivan checks the sun during the Diawa Irish Pairs sea angling event in windy conditions on the Dingle Peninsula of Inch beach in Inch, Ireland, September 18, 2018. REUTERS/Clodagh Kilcoyne