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

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

Bees are seen on a honeycomb at an apiary, in Casablanca, Chile October 4, 2019. Picture taken October 4, 2019. REUTERS/Rodrigo Garrido

Bees are seen at an apiary, in Casablanca, Chile October 4, 2019. Picture taken October 4, 2019. REUTERS/Rodrigo Garrido

A queen bee is seen on a honeycomb at an apiary, in Casablanca, Chile October 4, 2019. Picture taken October 4, 2019. REUTERS/Rodrigo Garrido

Bees are seen on a honeycomb at an apiary, in Casablanca, Chile October 4, 2019. Picture taken October 4, 2019. REUTERS/Rodrigo Garrido

Beekeepers look at bee frames at an apiary, in Casablanca, Chile October 4, 2019. Picture taken October 4, 2019. REUTERS/Rodrigo Garrido

Beekeepers look at bee frames at an apiary, in Casablanca, Chile October 4, 2019. Picture taken October 4, 2019. REUTERS/Rodrigo Garrido

Beekeepers look at bee frames at an apiary, in Casablanca, Chile October 4, 2019. Picture taken October 4, 2019. REUTERS/Rodrigo Garrido

Bees are seen at an apiary, in Casablanca, Chile October 4, 2019. Picture taken October 4, 2019. REUTERS/Rodrigo Garrido

Beekeepers look at bee frames at an apiary, in Casablanca, Chile October 4, 2019. Picture taken October 4, 2019. REUTERS/Rodrigo Garrido

Men in beekeeper's outfits stand near beehives at an apiary, in Casablanca, Chile October 4, 2019. Picture taken October 4, 2019. REUTERS/Rodrigo Garrido

Bees are seen at an apiary, in Casablanca, Chile October 4, 2019. Picture taken October 4, 2019. REUTERS/Rodrigo Garrido

Bees are seen at an apiary, in Casablanca, Chile October 4, 2019. Picture taken October 4, 2019. REUTERS/Rodrigo Garrido

Beekeeper Pablo Alvarez prepares a bee smoker at an apiary, in Casablanca, Chile October 4, 2019. Picture taken October 4, 2019. REUTERS/Rodrigo Garrido

Bees are seen on a beekeeper's finger at an apiary, in Casablanca, Chile October 4, 2019. Picture taken October 4, 2019. REUTERS/Rodrigo Garrido

Bees are seen at an apiary, in Casablanca, Chile October 4, 2019. Picture taken October 4, 2019. REUTERS/Rodrigo Garrido

Bees are seen at an apiary, in Casablanca, Chile October 4, 2019. Picture taken October 4, 2019. REUTERS/Rodrigo Garrido

Beekeeper Pyotr Goloburdo, aged 67, works at his private apiary outside the remote Siberian village of Volny near Krasnoyarsk, Russia August 28, 2019. Picture taken August 28, 2019. REUTERS/Ilya Naymushin

Bees return from a meadow to a beehive at a private apiary of beekeeper Pyotr Goloburdo outside the remote Siberian village of Volny near Krasnoyarsk, Russia August 28, 2019. Picture taken August 28, 2019. REUTERS/Ilya Naymushin

A view shows bees on a honeycomb section at a private apiary of beekeeper Pyotr Goloburdo outside the remote Siberian village of Volny near Krasnoyarsk, Russia August 28, 2019. Picture taken August 28, 2019. REUTERS/Ilya Naymushin

A view shows bees on a honeycomb section at a private apiary of beekeeper Pyotr Goloburdo outside the remote Siberian village of Volny near Krasnoyarsk, Russia August 28, 2019. Picture taken August 28, 2019. REUTERS/Ilya Naymushin

Beekeeper Pyotr Goloburdo, aged 67, works at his private apiary outside the remote Siberian village of Volny near Krasnoyarsk, Russia August 28, 2019. Picture taken August 28, 2019. REUTERS/Ilya Naymushin

Beekeeper Pyotr Goloburdo, aged 67, holds a honeycomb section while working at his private apiary outside the remote Siberian village of Volny near Krasnoyarsk, Russia August 28, 2019. Picture taken August 28, 2019. REUTERS/Ilya Naymushin

Bees return from a meadow to a beehive at a private apiary of beekeeper Pyotr Goloburdo outside the remote Siberian village of Volny near Krasnoyarsk, Russia August 28, 2019. Picture taken August 28, 2019. REUTERS/Ilya Naymushin

Beekeeper Pyotr Goloburdo, aged 67, holds a honeycomb section while working at his private apiary outside the remote Siberian village of Volny near Krasnoyarsk, Russia August 28, 2019. Picture taken August 28, 2019. REUTERS/Ilya Naymushin

Beekeeper Pyotr Goloburdo, aged 67, works at his private apiary outside the remote Siberian village of Volny near Krasnoyarsk, Russia August 28, 2019. Picture taken August 28, 2019. REUTERS/Ilya Naymushin

Beekeeper Pyotr Goloburdo, aged 67, holds a honeycomb section while working at his private apiary outside the remote Siberian village of Volny near Krasnoyarsk, Russia August 28, 2019. Picture taken August 28, 2019. REUTERS/Ilya Naymushin

A swarm of bees land on a hot dog cart in Times Square in New York City, U.S., August 28, 2018. REUTERS/Brendan McDermid

A swarm of bees land on a hot dog cart in Times Square in New York City, U.S., August 28, 2018. REUTERS/Brendan McDermid

Natural honey flows through a sieve at the apiculture company Zuerihonig in Oberengstringen, Switzerland August 7, 2018. Picture taken August 7, 2018. REUTERS/Arnd Wiegmann

Natural honey flows out of an extractor into a sieve at the apiculture company Zuerihonig apiculture in Oberengstringen, Switzerland August 7, 2018. Picture taken August 7, 2018. REUTERS/Arnd Wiegmann

Natural honey flows out of an extractor into a sieve at at the apiculture company Zuerihonig in Oberengstringen, Switzerland August 7, 2018. Picture taken August 7, 2018. REUTERS/Arnd Wiegmann

Beekeeper Anna Lobyntseva, 66, holds a beehive frame at her apiary in the village of Radkovka, in Belgorod region, Russia August 12, 2018. Picture taken August 12, 2018. REUTERS/Tatyana Makeyeva TPX IMAGES OF THE DAY

Bees are seen on a beehive at the apiary of beekeeper Anna Lobyntseva, 66, in the village of Radkovka, in Belgorod region, Russia August 10, 2018. Picture taken August 10, 2018. REUTERS/Tatyana Makeyeva

Beekeeper Anna Lobyntseva, 66, prepares a beehive frame with honeycomb to take honey at her apiary in the village of Radkovka, in Belgorod region, Russia August 10, 2018. Picture taken August 10, 2018. REUTERS/Tatyana Makeyeva

Beekeeper Anna Lobyntseva, 66, uses an extractor to take honey from beehive frames with honeycombs at her apiary in the village of Radkovka, in Belgorod region, Russia August 10, 2018. Picture taken August 10, 2018. REUTERS/Tatyana Makeyeva

A bee is seen on a honeycomb at the apiary of beekeeper Anna Lobyntseva, 66, in the village of Radkovka, in Belgorod region, Russia August 10, 2018. Picture taken August 10, 2018. REUTERS/Tatyana Makeyeva

Beekeeper Anna Lobyntseva, 66, prepares a beehive frame with honeycomb to take honey at her apiary in the village of Radkovka, in Belgorod region, Russia August 10, 2018. Picture taken August 10, 2018. REUTERS/Tatyana Makeyeva

Beekeeper Anna Lobyntseva, 66, checks a frame from a beehive at her apiary in the village of Radkovka, in Belgorod region, Russia August 12, 2018. Picture taken August 12, 2018. REUTERS/Tatyana Makeyeva

A bee hovers over a phlox flower at the apiary of beekeeper Anna Lobyntseva, 66, in the village of Radkovka, in Belgorod region, Russia August 11, 2018. Picture taken August 11, 2018. REUTERS/Tatyana Makeyeva

Beekeeper Anna Lobyntseva, 66, holds a beehive frame at her apiary in the village of Radkovka, in Belgorod region, Russia August 12, 2018. Picture taken August 12, 2018. REUTERS/Tatyana Makeyeva

Bees are seen on a honeycomb at the apiary of beekeeper Anna Lobyntseva, 66, in the village of Radkovka, in Belgorod region, Russia August 12, 2018. Picture taken August 12, 2018. REUTERS/Tatyana Makeyeva

The queen bee is seen among other bees on a honeycomb at the apiary of beekeeper Anna Lobyntseva, 66, in the village of Radkovka, in Belgorod region, Russia August 12, 2018. Picture taken August 12, 2018. REUTERS/Tatyana Makeyeva

A honey bee carrying pollen lands next to the entrance of a beehive at the apiary of beekeeper Anna Lobyntseva, 66, in the village of Radkovka, in Belgorod region, Russia August 12, 2018. Picture taken August 12, 2018. REUTERS/Tatyana Makeyeva

Bees are seen landing on a frame of a beehive at the apiary of beekeeper Anna Lobyntseva, 66, in the village of Radkovka, in Belgorod region, Russia August 12, 2018. Picture taken August 12, 2018. REUTERS/Tatyana Makeyeva

Bees fly near a honey extractor at the apiary of beekeeper Anna Lobyntseva, 66, in the village of Radkovka, in Belgorod region, Russia August 12, 2018. Picture taken August 12, 2018. REUTERS/Tatyana Makeyeva

A swarm of bees is seen making honey in a hive at a farm in Hamdan, Yemen July 31, 2018. Picture taken July 31, 2018. REUTERS/Khaled Abdullah

A view of bee hives at a farm in Hamdan, Yemen July 31, 2018. Picture taken July 31, 2018. REUTERS/Khaled Abdullah

A honeycomb filled with honey is displayed at a honey shop in Sanaa, Yemen July 29, 2018. Picture taken July 29, 2018. REUTERS/Khaled Abdullah