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

Rapeseed fields are seen on the outskirts of Minsk, Belarus June 5, 2020. Picture taken with drone. 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 beekeeper works at the hives near the rapeseed field on the outskirts of Minsk, Belarus June 3, 2020. Picture taken June 3, 2020. REUTERS/Vasily Fedosenko

Hives are seen near the rapeseed field on the outskirts of Minsk, Belarus June 5, 2020. Picture taken with drone. REUTERS/Vasily Fedosenko

A man wearing a face mask carries vegetables and rapeseed oil on a street in Shanghai, China May 27, 2020. REUTERS/Aly Song

A yellow rapeseed plant is seen in a field in Jeumont, France, April 29, 2020. REUTERS/Pascal Rossignol

A yellow rapeseed field is seen in Jeumont, France, April 29, 2020. REUTERS/Pascal Rossignol

A yellow rapeseed field is seen in Jeumont, France, April 29, 2020. REUTERS/Pascal Rossignol

A dog walker is seen in a Rapeseed field near Mount Grange Priory as the spread of coronavirus disease (COVID-19) continues, Britain, April 24, 2020. REUTERS/Lee Smith

A dog walker is seen in a Rapeseed field near Mount Grange Priory as the spread of coronavirus disease (COVID-19) continues, Britain, April 24, 2020. REUTERS/Lee Smith

A dog walker is seen in a Rapeseed field near Mount Grange Priory as the spread of coronavirus disease (COVID-19) continues, Britain, April 24, 2020. REUTERS/Lee Smith TPX IMAGES OF THE DAY

A dog walker is seen in a Rapeseed field near Mount Grange Priory as the spread of coronavirus disease (COVID-19) continues, Britain, April 24, 2020. REUTERS/Lee Smith

People have a chat next to a rapeseed field as the spread of the coronavirus disease (COVID-19) continues, County Durham, Britain, April 22, 2020. REUTERS/Lee Smith

A crow perches on a fence next to a rapeseed field, as the spread of the coronavirus disease (COVID-19) continues, near Evenley, Britain, April 21, 2020. REUTERS/Andrew Boyers

A rapeseed field is seen as the spread of the coronavirus disease (COVID-19) continues, near Evenley, Britain, April 21, 2020. REUTERS/Andrew Boyers

A rapeseed field is seen as the spread of the coronavirus disease (COVID-19) continues, near Evenley, Britain, April 21, 2020. REUTERS/Andrew Boyers

A man rides his bicycle on a road between two rapeseed fields in Tilloy-lez-Cambrai, as the spread of the coronavirus disease (COVID-19) continues, near Cambrai, France April 16, 2020. REUTERS/Pascal Rossignol

A man runs on the road between two rapeseed fields in Tilloy-lez-Cambrai, as the spread of the coronavirus disease (COVID-19) continues, near Cambrai, France April 14, 2020. REUTERS/Pascal Rossignol

A man walks in a field of rapeseed near the village of Pogost, Belarus, May 4, 2019. REUTERS/Vasily Fedosenko

A tractor sows seeds by a rapeseeds field in Lavigny, Switzerland May 1, 2019. REUTERS/Denis Balibouse

A rapeseed field is picture above Lake Leman in Sullens near Lausanne, Switzerland April 30 2019. REUTERS/Denis Balibouse

A swallow flies above a rapeseed field in Poliez-Pittet near Lausanne, Switzerland April 30 2019. REUTERS/Denis Balibouse TPX IMAGES OF THE DAY

A rapeseed field is pictured in Poliez-Pittet near Lausanne, Switzerland April 30 2019. REUTERS/Denis Balibouse

A swallow flies above a rapeseed field in Poliez-Pittet near Lausanne, Switzerland April 30 2019. REUTERS/Denis Balibouse

Schloss Habsburg castle, the ancestral seat of the Habsburg family appears behind a rapeseed field during sunny weather near the village of Habsburg, Switzerland April 24, 2019. REUTERS/Arnd Wiegmann

Schloss Habsburg castle, the ancestral seat of the Habsburg family appears behind rapeseed fields during sunny weather near the village of Habsburg, Switzerland April 24, 2019. REUTERS/Arnd Wiegmann

Pathways are seen in a field of rapeseed near the County Donegal village of Killea, Ireland April 18, 2019. REUTERS/Clodagh Kilcoyne

A farmer ploughs a field in his tractor next to a field of rapeseed near the County Donegal village of Killea, Ireland April 18, 2019. REUTERS/Clodagh Kilcoyne

A farmer drives a tractor next to a field of rapeseed near the County Donegal village of Killea, Ireland April 18, 2019. REUTERS/Clodagh Kilcoyne

A farmer ploughs a field in his tractor next to a field of rapeseed near the County Donegal village of Killea, Ireland April 18, 2019. REUTERS/Clodagh Kilcoyne

Pathways are seen in a field of rapeseed near the County Donegal village of Killea, Ireland April 18, 2019. REUTERS/Clodagh Kilcoyne

A farmer plows next to a rapeseed field, near the Mont Saint-Michel 11th century abbey, in Ardevon, Normandy, France April 16, 2019. REUTERS/Pascal Rossignol

A farmer plows next to a rapeseed field, near the Mont Saint-Michel 11th century abbey, in Ardevon, Normandy, France April 16, 2019. REUTERS/Pascal Rossignol

A farmer plows next to a rapeseed field, near the Mont Saint-Michel 11th century abbey, in Ardevon, Normandy, France April 16, 2019. REUTERS/Pascal Rossignol

A farmer plows next to a rapeseed field, near the Mont Saint-Michel 11th century abbey, in Ardevon, Normandy, France April 16, 2019. REUTERS/Pascal Rossignol

The Mont Saint-Michel, 11th century abbey appears behind a rapeseed field in Huisnes-sur-Mer, Normandy, France April 16, 2019. REUTERS/Pascal Rossignol

The Mont Saint-Michel, 11th century abbey appears as a farmer plows front of a rapeseed field in Huisnes-sur-Mer, Normandy, France April 16, 2019. REUTERS/Pascal Rossignol

The Mont Saint-Michel 11th century abbey appears as a farmer plows front of a rapeseed field in Huisnes-sur-Mer, Normandy, France April 16, 2019. REUTERS/Pascal Rossignol

Yellow-flowered colza plants are seen in field in Saint-Jouan-des-Guerets, France, April 7, 2019. REUTERS/Stephane Mahe

Yellow-flowered colza plants are seen in field in Saint-Jouan-des-Guerets, France, April 7, 2019. REUTERS/Stephane Mahe

A yellow-flowered colza plant is seen in a field in Bar-sur-Seine, France, April 5, 2019. REUTERS/Gonzalo Fuentes

A yellow-flowered colza plant is seen in a field in Bar-sur-Seine, France, April 5, 2019. REUTERS/Gonzalo Fuentes

Yellow-flowered colza plants are seen in a field in Bar-sur-Seine, France, April 5, 2019. REUTERS/Gonzalo Fuentes

Yellow-flowered colza plants are seen in field in Bar-sur-Seine, France, April 5, 2019. REUTERS/Gonzalo Fuentes

A yellow-flowered colza plant is seen in field in Willgottheim near Strasbourg, France, April 4, 2019. REUTERS/Vincent Kessler

A yellow-flowered colza plant is seen in field in Willgottheim near Strasbourg, France, April 4, 2019. REUTERS/Vincent Kessler

A combination of two images shows Cars and trucks stuck in a traffic jam near Irschenberg, Germany, March 29, 2018 and a man rides a bicycle through a rapeseed field in Unterfoehring, Germany, May 11, 2000. REUTERS/Michael Dalder

A man rides a bicycle through a rapeseed field in Unterfoehring, Germany, May 11, 2011. Picture taken May 11, 2011. REUTERS/Michael Dalder

Farmer Liu Deke, 73, and his wife thresh rapeseed at a field in Dongfeng village, Hunan province, China May 9, 2018. Picture taken May 9, 2018. REUTERS/Ryan Woo

Farmer Liu Deke, 73, takes a smoke break next to rapeseed stalks at a field in Dongfeng village, Hunan province, China May 9, 2018. Picture taken May 9, 2018. REUTERS/Ryan Woo

Farmer Liu Deke, 73, and his wife crush rapeseed stalks at a field in Dongfeng village, Hunan province, China May 9, 2018. Picture taken May 9, 2018. REUTERS/Ryan Woo

A water jet, used for irrigation, is seen in a field near Avenches, Switzerland April 27, 2018. REUTERS/Denis Balibouse

Church and windmills of the village of Saint-Hilaire-Lez-Cambrai are seen behind a rapeseed field in Avesnes-Les-Aubert near Cambrai, France April 26, 2018. REUTERS/Pascal Rossignol

Church and windmills of the village of Saint-Hilaire-Lez-Cambrai are seen behind a rapeseed field in Avesnes-Les-Aubert near Cambrai, France April 26, 2018. REUTERS/Pascal Rossignol

Church and windmills of the village of Saint-Hilaire-Lez-Cambrai are seen behind a rapeseed field in Avesnes-Les-Aubert near Cambrai, France April 26, 2018. REUTERS/Pascal Rossignol

Church and windmills of the village of Saint-Hilaire-Lez-Cambrai are seen behind a rapeseed field in Avesnes-Les-Aubert near Cambrai, France April 26, 2018. REUTERS/Pascal Rossignol

A farmer walks in his field in Avesnes-les-Aubert near Cambrai, France April 26, 2018. REUTERS/Pascal Rossignol

A rapeseed field is seen in Estourmel near Cambrai, France April 26, 2018. REUTERS/Pascal Rossignol