An aerial view shows power-generating windmill turbines in the middle of rapeseed fields, in Beauvois en Cambresis, France, May 5, 2021. Picture taken with a drone. REUTERS/Pascal Rossignol

The sun shines over a yellow rapeseed field in Baralle, France, May 5, 2021. REUTERS/Pascal Rossignol

A cloudy sky over a yellow rapeseed field in Baralle, France, May 5, 2021. REUTERS/Pascal Rossignol

The sun shines over a yellow rapeseed field in Baralle, France, May 5, 2021. REUTERS/Pascal Rossignol

The sun shines over a yellow rapeseed field in Baralle, France, May 5, 2021. REUTERS/Pascal Rossignol

Rapeseed fields are seen in St Albans, Britain, May 4, 2021. Picture taken with a drone. REUTERS/Matthew Childs

Rapeseed fields are seen in St Albans, Britain, May 4, 2021. Picture taken with a drone. REUTERS/Matthew Childs

Rapeseed fields are seen in St Albans, Britain, May 4, 2021. Picture taken with a drone. REUTERS/Matthew Childs

Rapeseed fields are seen in St Albans, Britain, May 4, 2021. Picture taken with a drone. REUTERS/Matthew Childs

Rapeseed fields are seen in Kibblesworth, Gateshead, Britain, April 29, 2021. Picture taken with a drone. REUTERS/Lee Smith

A driver passes by rapeseed fields in Kibblesworth, Gateshead, Britain, April 29, 2021. Picture taken with a drone. REUTERS/Lee Smith

Rapeseed fields are seen in Kibblesworth, Gateshead, Britain, April 29, 2021. Picture taken with a drone. REUTERS/Lee Smith

Rapeseed fields are seen in Kibblesworth, Gateshead, Britain, April 29, 2021. Picture taken with a drone. REUTERS/Lee Smith

Rapeseed fields are seen in Kibblesworth, Gateshead, Britain, April 29, 2021. Picture taken with a drone. REUTERS/Lee Smith

Rapeseed fields are seen in Kibblesworth, Gateshead, Britain, April 29, 2021. Picture taken with a drone. REUTERS/Lee Smith

Rapeseed fields are seen in Kibblesworth, Gateshead, Britain, April 29, 2021. Picture taken with a drone. REUTERS/Lee Smith

Rapeseed fields are seen in Kibblesworth, Gateshead, Britain, April 29, 2021. Picture taken with a drone. REUTERS/Lee Smith

Rapeseed fields are seen in Kibblesworth, Gateshead, Britain, April 29, 2021. Picture taken with a drone. REUTERS/Lee Smith

A driver passes rapeseed fields in Kibblesworth, Gateshead, Britain, April 29, 2021. Picture taken with a drone. REUTERS/Lee Smith

An aerial view shows a yellow rapeseed field in Bonningues-les-Calais, France, April 27, 2021. Picture taken with a drone. REUTERS/Pascal Rossignol

A yellow rapeseed field is seen in Bonningues-les-Calais, France, April 27, 2021. REUTERS/Pascal Rossignol

An aerial view shows a yellow rapeseed field in Bonningues-les-Calais, France, April 27, 2021. Picture taken with a drone. REUTERS/Pascal Rossignol

A carpet of yellow rapeseed flowers lies over the Umbrian countryside in Spina, Italy, April 18, 2021. Picture taken April 18, 2021. Picture taken with a drone. REUTERS/Matteo Berlenga

A carpet of yellow rapeseed flowers lies over the Umbrian countryside in Spina, Italy, April 18, 2021. Picture taken April 18, 2021. Picture taken with a drone. REUTERS/Matteo Berlenga

A carpet of yellow rapeseed flowers lies over the Umbrian countryside in Spina, Italy, April 2, 2021. Picture taken April 2, 2021. Picture taken with a drone. REUTERS/Matteo Berlenga

A carpet of yellow rapeseed flowers lies over the Umbrian countryside in Spina, Italy, April 2, 2021. Picture taken April 2, 2021. Picture taken with a drone. REUTERS/Matteo Berlenga

A carpet of yellow rapeseed flowers lies over the Umbrian countryside in Spina, Italy, April 17, 2021. Picture taken April 17, 2021. Picture taken with a drone. REUTERS/Matteo Berlenga

A carpet of yellow rapeseed flowers lies over the Umbrian countryside in Spina, Italy, April 14, 2021. Picture taken April 14, 2021. Picture taken with a drone. REUTERS/Matteo Berlenga

A rapeseed field is pictured ahead of a Swiss vote on June 13 on two popular initiatives to curb the use of pesticides in agriculture, in Mex, Switzerland, April 15, 2021. REUTERS/Denis Balibouse

A tractor is pictured behind a rapeseed field ahead of a Swiss vote on June 13 on two popular initiatives to curb the use of pesticides in agriculture, in Mex, Switzerland, April 15, 2021. REUTERS/Denis Balibouse

A tractor is pictured behind a rapeseed field ahead of a Swiss vote on June 13 on two popular initiatives to curb the use of pesticides in agriculture, in Mex, Switzerland, April 15, 2021. REUTERS/Denis Balibouse

A tree is pictured behind a rapeseed field ahead of a Swiss vote on June 13 on two popular initiatives to curb the use of pesticides in agriculture, in Mex, Switzerland, April 15, 2021. REUTERS/Denis Balibouse TPX IMAGES OF THE DAY

A tree is pictured behind a rapeseed field ahead of a Swiss vote on June 13 on two popular initiatives to curb the use of pesticides in agriculture, in Mex, Switzerland, April 15, 2021. REUTERS/Denis Balibouse

A view shows a yellow rapeseed field in Saint-Pere-en-Retz, France, March 30, 2021. REUTERS/Stephane Mahe

A view shows a yellow rapeseed field in Saint-Pere-en-Retz, France, March 30, 2021. REUTERS/Stephane Mahe

A woman makes rapeseed oil at a store near the Shanzhai coal mine in Cedizhen village, Huating County, Gansu province, China, September 18, 2020. REUTERS/Thomas Peter SEARCH "PETER COAL" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES

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