A snowcat makes its way up the slope of a glacier at Stubaier glacier ski resort near Neustift im Stubaital, Austria, May 7, 2020. Picture taken May 7, 2020. REUTERS/Lisi Niesner

A snowcat makes its way next to Vlies fabric covering the snow of a glacier at Stubaier glacier ski resort near Neustift im Stubaital, Austria, May 7, 2020. Picture taken May 7, 2020. REUTERS/Lisi Niesner

A snowcat prepares a slope on the Dachstein glacier, as a heatwave hits the country, near Ramsau, Austria July 26, 2019. REUTERS/Leonhard Foeger

A snowcat passes posters of a skiers in the finish area as the training session of the FIS Alpine Skiing World Cup downhill race was cancelled due to heavy snowfall in Kitzbuehel, Austria January 17, 2018. REUTERS/Leonhard Foeger

A snowcat passes the finish area as the training session of the FIS Alpine Skiing World Cup downhill race was cancelled due to heavy snowfall in Kitzbuehel, Austria January 17, 2018. REUTERS/Leonhard Foeger

Snowcats are seen on a slope during a long-time exposure at the skiing area of Sankt Johann in Tyrol, Austria January 10, 2018. REUTERS/Kai Pfaffenbach

Snowcats are seen next to a lift station at the Pitztaler glacier in St Leonhard, Austria, November 4, 2016. REUTERS/Leonhard Foeger

A snowcat grooms the snow at the Hausbergkante of the famous Streif, the men's Alpine skiing downhill course at the Hahnenkamm mountain of the Austrian Alpine skiing resort of Kitzbuehel January 20, 2014. The world's most famous downhill race on Saturday January 26, 2014, may be cancelled due to the extremely warm weather conditions over the past few weeks that did not even allow organizers to produce artificial snow at night. REUTERS/Leonhard Foeger (AUSTRIA - Tags: SPORT SKIING ENVIRONMENT)

A snowcat works on the course as the second training session of the Women's World Cup Downhill skiing race was cancelled due to heavy snowfall in Cortina D'Ampezzo January 17, 2014. REUTERS/Max Rossi (ITALY - Tags: SPORT SKIING ENVIRONMENT)

A snowcat works on the course as the second training session of the Women's World Cup Downhill skiing race was cancelled due to heavy snowfall in Cortina D'Ampezzo January 17, 2014. REUTERS/Max Rossi (ITALY - Tags: SPORT SKIING ENVIRONMENT)

Snowcats are parked at a track in Rosa Khutor Alpine Resort at the Aibga Ridge, part of the complex of facilities to be used for the Sochi 2014 Winter Olympics, November 7, 2012. The venue and will host all Alpine Skiing disciplines - Downhill, Combined (downhill and slalom), Giant Slalom and the Super Giant Slalom. REUTERS/Pawel Kopczynski (RUSSIA - Tags: OLYMPICS SPORT)

Snowcats are parked at a track in Rosa Khutor Alpine Resort at the Aibga Ridge, part of the complex of facilities to be used for the Sochi 2014 Winter Olympics, November 7, 2012. The venue and will host all Alpine Skiing disciplines - Downhill, Combined (downhill and slalom), Giant Slalom and the Super Giant Slalom. REUTERS/Pawel Kopczynski (RUSSIA - Tags: OLYMPICS SPORT)

Snowcats are parked at a track in Rosa Khutor Alpine Resort at the Aibga Ridge, part of the complex of facilities to be used for the Sochi 2014 Winter Olympics, November 7, 2012. The venue and will host all Alpine Skiing disciplines - Downhill, Combined (downhill and slalom), Giant Slalom and the Super Giant Slalom. REUTERS/Pawel Kopczynski (RUSSIA - Tags: OLYMPICS SPORT)

A snowcat removes and flattens fresh snow at the Rosa Khutor Alpine skiing resort during the scheduled second practice run of the women's Alpine Skiing World Cup Downhill race in Krasnaya Polyana February 16, 2012. The practice on the Sochi 2014 Winter Olympic Games Alpine skiing track had to be cancelled due to poor visibility and heavy snowfall over the past night. REUTERS/Wolfgang Rattay (RUSSIA - Tags: SPORT SKIING ENVIRONMENT)

A snowcat works up to the Birds of Prey jump to make repairs on the jump delaying the men's World Cup second men's downhill training run in Beaver Creek, Colorado November 30, 2011. REUTERS/Mark Leffingwell (UNITED STATES - Tags: SPORT SKIING)

A snowcat prepares the race course before dawn prior to the Men's World Cup Super G alpine skiing race in Lake Louise, Alberta November 27, 2011. REUTERS/Andy Clark (CANADA - Tags: SPORT SKIING)

A snowcat prepares the race course before dawn prior to the Men's World Cup Super G alpine skiing race in Lake Louise, Alberta November 27, 2011. REUTERS/Andy Clark (CANADA - Tags: SPORT SKIING)

A snowcat prepares the finish area in the early morning for the Alpine Skiing World Cup Super-G race in Val d'Isere December 17, 2010. The race was later cancelled. REUTERS/Pascal Lauener (FRANCE - Tags: SPORT SKIING ENVIRONMENT)

A snowcat pushes excess snow from the women's downhill course at Whistler Creekside after the men's Alpine Skiing Super Combined event and a women's downhill training were postponed due to weather at the Vancouver 2010 Winter Olympics in Whistler, British Columbia, February 16, 2010. REUTERS/Mike Segar (CANADA)

A snowcat pushes excess snow from the women's downhill course at Whistler Creekside after the men's Alpine Skiing Super Combined event and a women's downhill training were postponed due to weather at the Vancouver 2010 Winter Olympics in Whistler, British Columbia, February 16, 2010. REUTERS/Mike Segar (CANADA)

A snowcat removes extra snow on women's downhill course at the Vancouver 2010 Winter Olympics in Whistler, British Columbia, February 14, 2010. The women's Alpine Skiing Super Combined race was cancelled on Sunday. REUTERS/Wolfgang Rattay (CANADA)

Snowcats remove extra snow on women's downhill course at the Vancouver 2010 Winter Olympics in Whistler, British Columbia, February 14, 2010. The women's Alpine Skiing Super Combined race was cancelled on Sunday. REUTERS/Wolfgang Rattay (CANADA)

A snowcat pictured through fog removes extra snow on women's downhill course at the Vancouver 2010 Winter Olympics in Whistler, British Columbia, February 14, 2010. The women's Alpine Skiing Super Combined race was cancelled on Sunday. REUTERS/Wolfgang Rattay (CANADA)

Snowcats stand in the finish area of the famous "saslong" ski slope in Val Gardena, Italy, December 7, 2006. Due to the unusual warm weather it is unsure if the men's Ski World Cup races next week will take place. REUTERS/Dominic Ebenbichler (ITALY)

Two workers sit on a snowcat next to the finish area of Kitzbuehel's Streif track, January 19, 2006. The training run for the upcoming men's Alpine Ski World Cup Downhill race in Kitzbuehel has been cancelled due to heavy snowfall overnight. REUTERS/Leonhard Foeger

MotoGP world champion Valentino Rossi of Italy jumps over a hill with a snowmobile during an event by Yamaha on the ski hills of Santa Caterina February 2, 2005. Valentino Rossi riding a snowcat attracted more spectators on Tuesday than the women's downhill practice taking place at the same time during the Alpine World Ski Championships in the northern Italian skiing resort of Santa Caterina. REUTERS/Wolfgang Rattay WR/DL

yamaha MotoGP world champion Valentino Rossi of Italy jumps over a hill with a snowmobile during a PR event on the ski hills of Santa Caterina, February 2, 2005. Rossi riding a snowcat attracted more media and spectators on Tuesday than the women's downhill practice taking place at the same time during the Alpine World Ski Championships in the northern Italian skiing resort of Santa Caterina. REUTERS/Wolfgang Rattay WR/ABP

MotoGP world champion Valentino Rossi (R) of Italy laughs during a news conference with his fellow team-mate Colin Edwards of the U.S. in Santa Caterina, February 2, 2005. Rossi and Edwards took a ride on a snowcat on Tuesday during a PR event of Yamaha and attracted more media and spectators than the women's downhill practice taking place at the same time during the Alpine World Ski Championships in the northern Italian skiing resort of Santa Caterina. REUTERS/Wolfgang Rattay WR/ABP

Yamaha MotoGP world champion Valentino Rossi of Italy receives help as he puts on ski goggles during a PR event of Yamaha on the ski hills of Santa Caterina, February 2, 2005. Valentino Rossi riding a snowcat attracted more spectators on Tuesday than the women's downhill practice taking place at the same time during the Alpine World Ski Championships in the northern Italian skiing resort of Santa Caterina. REUTERS/Wolfgang Rattay WR/ABP

MotoGP world champion Valentino Rossi of Italy jumps over a hill with a snowmobile during a PR event of Yamaha on the ski hills of Santa Caterina February 2, 2005. Valentino Rossi riding a snowcat attracted more spectators on Tuesday than the women's downhill practice taking place at the same time during the Alpine World Ski Championships in the northern Italian skiing resort of Santa Caterina. REUTERS/Wolfgang Rattay WR/DL

-PHOTO TAKEN 16JUL84- Pope John Paul II (R), wearing dark blue beret and overcoat and sunglasses, stands beside a snowcat vehicle with Italian President Sandro Pertini (C) during a skiing trip in the Adamello region of Italy, July 16, 1984.
??? USE ONLY

A snowcat starts to plow fresh snow at the start of the men's Olympic downhill run at the Snowbasin ski resort, venue of the men's and women's Olympic downhill and Super-G courses January 29, 2002. The Olympics start in ten days.

A snowcat starts to plow fresh snow at the start of the men's Olympic
downhill run at the Snowbasin ski resort, venue of the men's and
women's Olympic downhill and Super-G courses January 29, 2002. The
Olympics start in ten days. REUTERS/Paul Hanna

PH

Pope John Paul II (R), wearing dark blue beret and overcoat and sunglasses,
stands beside a snowcat vehicle with Italian President Sandro Pertini (C)
during a skiing trip in the Adamello region of Italy, July 16, 1984
REUTERS/Presidential Palace/HO PP03090123 HIGHLIGHTS

XX/jm