A skier rides on an artificial snow slope as end of the ski season nears in Monte Cimone, Italy, March 31, 2023. REUTERS/Claudia Greco 

Snow cannons stand on a green meadow as end of the ski season nears in Monte Cimone, Italy, March 31, 2023. REUTERS/Claudia Greco 

Skiers ride on an artificial snow slope as end of the ski season nears in Monte Cimone, Italy, March 31, 2023. REUTERS/Claudia Greco 

Skiers stand on an artificial snow slope as end of the ski season nears in Monte Cimone, Italy, March 31, 2023. REUTERS/Claudia Greco 

Skiers pass on an artificial snow slope as end of the ski season nears, in Monte Cimone, Italy, March 31, 2023. REUTERS/Claudia Greco 

A hiker walks past snow cannons at the Hausberg in Garmisch-Partenkirchen, Germany, January 12, 2023. REUTERS/Lukas Barth 

Snow cannons stand on a green meadow at the Hausberg in Garmisch-Partenkirchen, Germany, January 12, 2023. REUTERS/Lukas Barth 

Snow cannons are seen amid warmer-than-usual temperatures near the Alpine resort of Brand, Austria January 6, 2023. REUTERS/Arnd Wiegmann 

A snow cannon is seen amid warmer-than-usual temperatures near the Alpine resort of Brand, Austria January 6, 2023. REUTERS/Arnd Wiegmann 

A snow cannon is seen next to the slope in the Austrian ski resort of Hochoetz, Austria, December 29, 2022. REUTERS/Leonhard Foeger 

People ski down the slope next to a snow cannon in the Austrian ski resort of Hochoetz, Austria, December 29, 2022. REUTERS/Leonhard Foeger 

A snow cannon is seen next to the slope in the Austrian ski resort of Hochoetz, Austria, December 29, 2022. REUTERS/Leonhard Foeger 

2022 Beijing Olympics - Freestyle Skiing - Women's Freeski Slopestyle - Qualification - Run 1 - Genting Snow Park, Zhangjiakou, China - February 13, 2022. A snow cannon is pictured as the start is delayed. REUTERS/Dylan Martinez 

Snow cannons produce artificial snow, amid the coronavirus disease (COVID-19) outbreak, in Spital am Semmering, Austria December 2, 2020. REUTERS/Lisi Niesner
 

Snow cannons produce artificial snow next to a ski lift on a closed slope, amid the coronavirus disease (COVID-19) outbreak, in Spital am Semmering, Austria December 2, 2020. REUTERS/Lisi Niesner
 

A snow cannon produces artificial snow on a closed ski slope, amid the coronavirus disease (COVID-19) outbreak, in Spital am Semmering, Austria December 2, 2020. REUTERS/Lisi Niesner
 

A snow cannon produces artificial snow next to a ski lift on a closed ski slope, amid the coronavirus disease (COVID-19) outbreak, in Spital am Semmering, Austria December 2, 2020. REUTERS/Lisi Niesner
 

A snow cannon produces artificial snow next to a ski lift on a closed slope, amid the coronavirus disease (COVID-19) outbreak, in Spital am Semmering, Austria December 2, 2020. REUTERS/Lisi Niesner
 

Snow cannons produce artificial snow next to a ski lift on a closed slope, amid the coronavirus disease (COVID-19) outbreak, in Spital am Semmering, Austria December 2, 2020. REUTERS/Lisi Niesner 

A snow cannon works during sunny autumn weather at the Mount Titlis skiing area near the Alpine resort of Engelberg, Switzerland October 13, 2020. REUTERS/Arnd Wiegmann 

A snow cannon works during sunny autumn weather at the Mount Titlis skiing area near the Alpine resort of Engelberg, Switzerland October 13, 2020. REUTERS/Arnd Wiegmann 

Two snow cannons are pictured in Oslo, Norway January 19, 2020. Picture taken January 19, 2020. REUTERS/Gwladys Fouche 

A snow cannon is seen on the slope near Kitzbuehel, Austria January 21, 2020. REUTERS/Leonhard Foeger 

A snow cannon is seen on the slope near Kitzbuehel, Austria January 21, 2020. REUTERS/Leonhard Foeger 

A snow cannon is seen on the slope near Kitzbuehel, Austria January 21, 2020. REUTERS/Leonhard Foeger 

A snow cannon is seen on the slope near Kitzbuehel, Austria January 21, 2020. REUTERS/Leonhard Foeger 

Demaclenko snow cannons are seen in front of Mount Calmut during a sunny day at the SkiArena Andermatt-Sedrun in the Alpine resort of Andermatt, Switzerland January 11, 2020. Picture taken January 11, 2020. REUTERS/Arnd Wiegmann 

Snow cannons work in the ski area of Seefeld, Austria, November 14, 2019 REUTERS/Angelika Warmuth 

Snow cannons work in the ski area of Seefeld, Austria, November 14, 2019 REUTERS/Angelika Warmuth 

A ski slope with snow cannons makes its way downhill to a station of a cablecar on a sunny autumn day near the alpine village of Neustift im Stubaital, Austria, October 22, 2018. REUTERS/Lisi Niesner SEARCH "AUSTRIA GLACIERS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY 

A snow cannon produces artificial snow on a slope during a sunny autumn day near the alpine village of Neustift im Stubaital, Austria October 22, 2018. REUTERS/Lisi Niesner 

A snow cannon produces artificial snow on a slope during a sunny autumn day near the alpine village of Neustift im Stubaital, Austria October 22, 2018. REUTERS/Lisi Niesner 

A ski slope with snow cannons makes its way downhill to a station of a cablecar on a sunny autumn day near the alpine village of Neustift im Stubaital, Austria October 22, 2018. REUTERS/Lisi Niesner 

A snow cannon is seen on the Stubaier glacier in Mutterberg, Austria, November 2, 2017. REUTERS/Leonhard Foeger 

A makeshift doll is seen at the gate separating Rosebud camp and Sacred Stone, one of the few remaining camps protesting the Dakota Access Pipeline in Cannon Ball, North Dakota, U.S., February 24, 2017. REUTERS/Stephen Yang 

An animal carcass and an abandoned tent is seen in Rosebud camp in Cannon Ball, North Dakota, U.S., February 24, 2017. REUTERS/Stephen Yang 

An abandoned car covered in snow in Sacred Stone camp, one of the few remaining camps protesting the Dakota Access Pipeline in Cannon Ball, North Dakota, U.S., February 24, 2017. REUTERS/Stephen Yang 

Buildings burn after being set alight by protesters preparing to evacuate the main opposition camp against the Dakota Access oil pipeline near Cannon Ball, North Dakota, U.S., February 22, 2017. REUTERS/Terray Sylvester TPX IMAGES OF THE DAY 

Military vehicles with cannons are seen near the government-held industrial town of Avdiyivka, Ukraine February 5, 2017. REUTERS/Gleb Garanich 

Military vehicles with a cannon are seen near the government-held industrial town of Avdiyivka, Ukraine February 5, 2017. REUTERS/Gleb Garanich 

A military vehicles with cannon is seen near the government-held industrial town of Avdiyivka, Ukraine February 1, 2017. REUTERS/Gleb Garanich 

An opponent of the Dakota Access oil pipeline is seen through concertina wire while snowmobiling toward the protest camp near Cannon Ball, North Dakota, U.S., January 29, 2017. REUTERS/Terray Sylvester 

Tipis on the outskirts of the Dakota Access oil pipeline protest camp are seen through concertina wire from a police outpost near Cannon Ball, North Dakota, U.S., January 29, 2017. REUTERS/Terray Sylvester 

Tipis are seen on the outskirts of the Dakota Access oil pipeline protest camp near Cannon Ball, North Dakota, U.S., January 29, 2017. REUTERS/Terray Sylvester 

A car is seen buried in snow at the Dakota Access Pipeline protest camp near Cannon Ball, North Dakota, U.S., January 24, 2017. REUTERS/Terray Sylvester 

Snow covered watering cans are pictured at the main cemetery in Hanau, near Frankfurt, Germany, January 10, 2017. REUTERS/Kai Pfaffenbach 

A camper walks past snow covered vehicles as high winds and a blizzard hit the Oceti Sakowin camp while "water protectors" continue to demonstrate against plans to pass the Dakota Access pipeline adjacent to the Standing Rock Indian Reservation, near Cannon Ball, North Dakota, U.S., December 6, 2016. REUTERS/Lucas Jackson 

A woman shovels snow from the entrance to her tent as high winds and a blizzard hit the Oceti Sakowin camp while "water protectors" continue to demonstrate against plans to pass the Dakota Access pipeline adjacent to the Standing Rock Indian Reservation, near Cannon Ball, North Dakota, U.S., December 6, 2016. REUTERS/Lucas Jackson 

A man stands on Highway 1806 just outside of the Oceti Sakowin camp during a snow fall as "water protectors" continue to demonstrate against plans to pass the Dakota Access pipeline adjacent to the Standing Rock Indian Reservation, near Cannon Ball, North Dakota, U.S., December 5, 2016. REUTERS/Lucas Jackson 

Activists huddle around a fire for warmth inside of the Oceti Sakowin camp during a snow fall as "water protectors" continue to demonstrate against plans to pass the Dakota Access pipeline adjacent to the Standing Rock Indian Reservation, near Cannon Ball, North Dakota, U.S., December 5, 2016. REUTERS/Lucas Jackson 

Activists build a shelter inside of the Oceti Sakowin camp during a snow fall as "water protectors" continue to demonstrate against plans to pass the Dakota Access pipeline adjacent to the Standing Rock Indian Reservation, near Cannon Ball, North Dakota, U.S., December 5, 2016. REUTERS/Lucas Jackson 

A sign stands over a pile of firewood inside of the Oceti Sakowin camp during a snow fall as "water protectors" continue to demonstrate against plans to pass the Dakota Access pipeline adjacent to the Standing Rock Indian Reservation, near Cannon Ball, North Dakota, U.S., December 5, 2016. REUTERS/Lucas Jackson 

A man takes part in a march with veterans to Backwater Bridge just outside of the Oceti Sakowin camp during a snow fall as "water protectors" continue to demonstrate against plans to pass the Dakota Access pipeline adjacent to the Standing Rock Indian Reservation, near Cannon Ball, North Dakota, U.S., December 5, 2016. REUTERS/Lucas Jackson TPX IMAGES OF THE DAY 

A man takes part in a march with veterans to Backwater Bridge just outside of the Oceti Sakowin camp during a snow fall as "water protectors" continue to demonstrate against plans to pass the Dakota Access pipeline adjacent to the Standing Rock Indian Reservation, near Cannon Ball, North Dakota, U.S., December 5, 2016. REUTERS/Lucas Jackson 

Veterans march with activists near Backwater Bridge just outside the Oceti Sakowin camp during a snow fall as "water protectors" continue to demonstrate against plans to pass the Dakota Access pipeline adjacent to the Standing Rock Indian Reservation, near Cannon Ball, North Dakota, U.S., December 5, 2016. REUTERS/Lucas Jackson 

A Native American man stands in the snow during a march with veterans near Backwater Bridge just outside of the Oceti Sakowin camp during a snow fall as "water protectors" continue to demonstrate against plans to pass the Dakota Access pipeline adjacent to the Standing Rock Indian Reservation, near Cannon Ball, North Dakota, U.S., December 5, 2016. REUTERS/Lucas Jackson 

Veterans march with activists near Backwater Bridge just outside of the Oceti Sakowin camp during a snow fall as "water protectors" continue to demonstrate against plans to pass the Dakota Access pipeline adjacent to the Standing Rock Indian Reservation, near Cannon Ball, North Dakota, U.S., December 5, 2016. REUTERS/Lucas Jackson 

An activist on horseback marches with veterans near Backwater Bridge just outside of the Oceti Sakowin camp during a snow fall as "water protectors" continue to demonstrate against plans to pass the Dakota Access pipeline adjacent to the Standing Rock Indian Reservation, near Cannon Ball, North Dakota, U.S., December 5, 2016. REUTERS/Lucas Jackson 

Veterans march with activists near Backwater Bridge just outside the Oceti Sakowin camp during a snow fall as "water protectors" continue to demonstrate against plans to pass the Dakota Access pipeline adjacent to the Standing Rock Indian Reservation, near Cannon Ball, North Dakota, U.S., December 5, 2016. REUTERS/Lucas Jackson 

Veterans march with activists near Backwater Bridge just outside of the Oceti Sakowin camp during a snow fall as "water protectors" continue to demonstrate against plans to pass the Dakota Access pipeline adjacent to the Standing Rock Indian Reservation, near Cannon Ball, North Dakota, U.S., December 5, 2016. REUTERS/Lucas Jackson