A bee collects pollen at the Alnwick Gardens amid reopening preparations after the lockdown of the coronavirus disease (COVID-19) outbreak, in Northumberland, Britain, June 30, 2020. REUTERS/Smith Lee

A bee collects pollen at the Alnwick Gardens amid reopening preparations after the lockdown of the coronavirus disease (COVID-19) outbreak, in Northumberland, Britain, June 30, 2020. REUTERS/Smith Lee

A bee collects pollen at the Alnwick Gardens amid reopening preparations after the lockdown of the coronavirus disease (COVID-19) outbreak, in Northumberland, Britain, June 30, 2020. REUTERS/Smith Lee

A bee collects pollen at the Alnwick Gardens amid reopening preparations after the lockdown of the coronavirus disease (COVID-19) outbreak, in Northumberland, Britain, June 30, 2020. REUTERS/Smith Lee

A bee collects pollen at the Alnwick Gardens amid reopening preparations after the lockdown of the coronavirus disease (COVID-19) outbreak, in Northumberland, Britain, June 30, 2020. REUTERS/Smith Lee

A bee collects pollen at the Alnwick Gardens amid reopening preparations after the lockdown of the coronavirus disease (COVID-19) outbreak, in Northumberland, Britain, June 30, 2020. REUTERS/Smith Lee

A bee prepares to land on lavender blossoms in a garden, as the coronavirus outbreak continues, in Vienna, Austria June 26, 2020. REUTERS/Lisi Niesner

Bees fly beyond lavender blossoms in a garden, as the coronavirus outbreak continues, in Vienna, Austria June 26, 2020. REUTERS/Lisi Niesner

A bee sits on lavender blossoms in a garden, as the coronavirus outbreak continues, in Vienna, Austria June 26, 2020. REUTERS/Lisi Niesner

Bees are seen near their beehive in Chaudron-en Mauges, France, June 7, 2020. REUTERS/Stephane Mahe

A bee is seen near its beehive in Chaudron-en Mauges, France, June 7, 2020. REUTERS/Stephane Mahe

A bee is seen near its beehive in Chaudron-en Mauges, France, June 7, 2020. REUTERS/Stephane Mahe

Bees are seen near their beehive in Chaudron-en Mauges, France, June 7, 2020. REUTERS/Stephane Mahe

Bees are seen near their beehive in Chaudron-en Mauges, France, June 7, 2020. REUTERS/Stephane Mahe

Bees fly in and out of the hives near the rapeseed field on the outskirts of Minsk, Belarus June 5, 2020. REUTERS/Vasily Fedosenko

Bees fly in and out of the hives near the rapeseed field on the outskirts of Minsk, Belarus June 5, 2020. REUTERS/Vasily Fedosenko

A bee sits on top of a flower of a rape in the rapeseed field on the outskirts of Minsk, Belarus June 5, 2020. REUTERS/Vasily Fedosenko

A European bee-eater sits on a tree branch with prey in Torre d'Isola, near Pavia, Italy June 1, 2020. Picture taken June 1, 2020. REUTERS/Flavio Lo Scalzo

Bee-eaters are seen in Torre d'Isola, near Pavia, Italy June 3, 2020. REUTERS/Flavio Lo Scalzo

A European bee-eater sits on a tree branch in Torre d'Isola, near Pavia, Italy June 1, 2020. Picture taken June 1, 2020. REUTERS/Flavio Lo Scalzo

A bee prepares to land on a Geranium flower in a garden in Manchester Britain, June 1, 2020. REUTERS/Phil Noble

A bee pollinates a blossomed almond branch in a field where farmers use techniques aimed at bringing new life to the land, in Hernan Valle, near Granada, Spain, March 10, 2020. Picture taken March 10, 2020. REUTERS/Jon Nazca

Bee hives are seen between almond trees in a field where farmers use techniques aimed at bringing new life to the land, in Chirivel, near Granada, Spain, March 9, 2020. Picture taken March 9, 2020. REUTERS/Jon Nazca

A preserved bee with a mask, a miniature artwork by micro-artist Anatoly Konenko, following the outbreak of the coronavirus disease (COVID-19), is seen in an artist's workshop in Omsk, Russia May 21, 2020. Picture taken May 21, 2020. REUTERS/Alexey Malgavko

Beekeeper Xavier Rennotte, the owner of Nectar & Co, shows a bee next to a honeycomb at an apiary, during the outbreak of the coronavirus disease (COVID-19) in Brussels, Belgium May 8, 2020. REUTERS/Johanna Geron

Bees fly into a hive at an apiary, during the outbreak of the coronavirus disease (COVID-19), in Brussels, Belgium May 8, 2020.REUTERS/Johanna Geron

Beekeeper Xavier Rennotte, the owner of Nectar & Co, puts bees in a beehive during the outbreak of the coronavirus disease (COVID-19) in Brussels, Belgium May 8, 2020.REUTERS/Johanna Geron

Beekeeper Xavier Rennotte, the owner of Nectar & Co, puts bees in a beehive, during the outbreak of the coronavirus disease (COVID-19) in Brussels, Belgium, May 8, 2020. REUTERS/Johanna Geron

Beekeeper Xavier Rennotte, the owner of Nectar & Co, puts bees in a beehive, during the outbreak of the coronavirus disease (COVID-19) in Brussels, Belgium May 8, 2020. REUTERS/Johanna Geron

Bees are seen on a honeycomb at an apiary, during the outbreak of the coronavirus disease (COVID-19), in Brussels, Belgium May 8, 2020. REUTERS/Johanna Geron

Bees fly into a hive at an apiary during the outbreak of the coronavirus disease (COVID-19), in Brussels, Belgium May 8, 2020. REUTERS/Johanna Geron

Bees are seen on a honeycomb at an apiary, during the outbreak of the coronavirus disease (COVID-19), in Brussels, Belgium May 8, 2020.REUTERS/Johanna Geron

Bees are seen on a honeycomb at an apiary, during the outbreak of the coronavirus disease (COVID-19), in Brussels, Belgium May 8, 2020.REUTERS/Johanna Geron

Beekeeper Xavier Rennotte, the owner of Nectar & Co, puts bees in a beehive, during the outbreak of the coronavirus disease (COVID-19) in Brussels, Belgium May 8, 2020.REUTERS/Johanna Geron

Bees are seen on a honeycomb at an apiary, during the outbreak of the coronavirus disease (COVID-19), in Brussels, Belgium May 8, 2020.REUTERS/Johanna Geron

Bees are seen on a honeycomb at an apiary, during the outbreak of the coronavirus disease (COVID-19), in Brussels, Belgium May 8, 2020.REUTERS/Johanna Geron

Bees are seen on a honeycomb at an apiary, during the outbreak of the coronavirus disease (COVID-19), in Brussels, Belgium May 8, 2020. REUTERS/Johanna Geron

Bees are seen on a honeycomb at an apiary, during the outbreak of the coronavirus disease (COVID-19), in Brussels, Belgium May 8, 2020. REUTERS/Johanna Geron

Beekeeper Xavier Rennotte, the owner of Nectar & Co, puts bees in a beehive, during the outbreak of the coronavirus disease (COVID-19) in Brussels, Belgium May 8, 2020.REUTERS/Johanna Geron

A bee on a flower, following the outbreak of the coronavirus disease (COVID-19), East Grinstead, Britain, May 7, 2020. REUTERS/Adam Oliver

Beekeeper Franck Portefaix and his colleague put bees in a beehive in Chantilly near Paris during the outbreak of the coronavirus disease (COVID-19) in France, May 4, 2020. Picture taken May 4, 2020. REUTERS/Noemie Olive TPX IMAGES OF THE DAY

A bee covered with pollen hooks itself onto a petal of a bluebell in a garden, as the spread of the coronavirus disease (COVID-19) continues, in West London, Britain, April 23, 2020. REUTERS/Toby Melville

A bee covered with pollen hooks itself onto a petal of a bluebell in a garden, as the spread of the coronavirus disease (COVID-19) continues, in West London, Britain, April 23, 2020. REUTERS/Toby Melville

A bee lands on a bluebell in a garden, as the spread of the coronavirus disease (COVID-19) continues, in West London, Britain, April 23, 2020. REUTERS/Toby Melville

A bee sits on a flower budding from an almond tree, which rely on natural pollinators for fertilization in an Almonds grove in Tel Arad, southern Israel March 4, 2020. Picture taken on March 4, 2020. REUTERS/ Amir Cohen

A bee sits on a flower budding from an almond tree, which rely on natural pollinators for fertilization in an Almonds grove in Tel Arad, southern Israel March 4, 2020. Picture taken on March 4, 2020. REUTERS/ Amir Cohen

A bee sits on a flower budding from an almond tree, which rely on natural pollinators for fertilization in an Almonds grove in Tel Arad, southern Israel March 4, 2020. Picture taken on March 4, 2020. REUTERS/ Amir Cohen

A tractor pulls a mast equipped with small cannons that shoot pollen at almond trees, allowing them to fertilize without bees in an Almonds grove in Tel Arad, southern Israel March 4, 2020. Picture taken on March 4, 2020. REUTERS/ Amir Cohen

A tractor pulls a mast equipped with small cannons that shoot pollen at almond trees, allowing them to fertilize without bees in an Almonds grove in Tel Arad, southern Israel March 4, 2020. Picture taken on March 4, 2020. REUTERS/ Amir Cohen

Tractors pull a mast equipped with small cannons that shoot pollen at almond trees, allowing them to fertilize without bees in an Almonds grove in Tel Arad, southern Israel March 4, 2020. Picture taken on March 4, 2020. REUTERS/ Amir Cohen

Lorna Bee dances beside Albert Bridge as she enjoys her daily exercise in Battersea Park in London, as the spread of the coronavirus disease (COVID-19) continues, London, Britain, April 1, 2020. REUTERS/Dylan Martinez

Lorna Bee dances beside Albert Bridge as she enjoys her daily exercise in Battersea Park in London, as the spread of the coronavirus disease (COVID-19) continues, London, Britain, April 1, 2020. REUTERS/Dylan Martinez

Lorna Bee dances beside Albert Bridge as she enjoys her daily exercise in Battersea Park in London, as the spread of the coronavirus disease (COVID-19) continues, London, Britain, April 1, 2020. REUTERS/Dylan Martinez

A notice is seen inside a Butters John Bee estate agents as the spread of the coronavirus disease (COVID-19) continues, in Northwich, Britain, March 27, 2020. REUTERS/Molly Darlington

Beekeeper Victor Kozlovsky checks bees after winter at his bee garden in the village of Khatenchytsy, Belarus March 2, 2020. REUTERS/Vasily Fedosenko

One of Takahisa Ogawa's overgrown bee nests is seen in Futaba Town, near tsunami-crippled Fukushima Daiichi nuclear power plant, Fukushima Prefecture, Japan February 17, 2020. Picture taken February 17, 2020. REUTERS/Mari Saito

Horse racing - Saudi Cup - King Abdulaziz Racetrack, Riyadh, Saudi Arabia - February 29, 2020 Dee Ex Bee ridden by Mickael Barzalona in action during the Longines Turf Cup REUTERS/Ahmed Yosri

Joint Chiefs of Staff Chairman Army General Mark Milley talks to Alonna Fleming, 10, from Richmond, VA, at a remembrance ceremony marking the 75th anniversary of the start of the Battle of Iwo Jima held at the National World War II Memorial in Washington, U.S., February 19, 2020. Alonna holds a portrait of her grand-grand father WWII marine veteran Julian McBee Scobe. REUTERS/Yuri Gripas

Joint Chiefs of Staff Chairman Army General Mark Milley talks to Alonna Fleming, 10, from Richmond, VA, at a remembrance ceremony marking the 75th anniversary of the start of the Battle of Iwo Jima held at the National World War II Memorial in Washington, U.S., February 19, 2020. Alonna holds a portrait of her grand-grand father WWII marine veteran Julian McBee Scobe. REUTERS/Yuri Gripas

Joint Chiefs of Staff Chairman Army General Mark Milley presents a commemorative medal to Alonna Fleming, 10, from Richmond, VA, at a remembrance ceremony marking the 75th anniversary of the start of the Battle of Iwo Jima held at the National World War II Memorial in Washington, U.S., February 19, 2020. Alonna holds a portrait of her grand-grand father WWII marine veteran Julian McBee Scobe. REUTERS/Yuri Gripas