Sheep cross the alpine pass "Hochjoch" at 2,856 meters above sea level, in the autonomous region of South Tyrol, Italy, June 9, 2018. (Photo/Agencies)

Sheep cross the alpine pass "Hochjoch" at 2,856 meters above sea level, in the autonomous region of South Tyrol, Italy, June 9, 2018. (Photo/Agencies)

Shepherds guide sheep across a snow field on their way up to the alpine pass "Hochjoch" at 2,856 meters above sea level, in the autonomous region of South Tyrol, Italy, June 9, 2018. (Photo/Agencies)

Sheep cross the alpine pass "Hochjoch" at 2,856 meters above sea level, in the autonomous region of South Tyrol, Italy, June 9, 2018. (Photo/Agencies)

Sheep cross the alpine pass "Hochjoch" at 2,856 meters above sea level, in the autonomous region of South Tyrol, Italy, June 9, 2018. (Photo/Agencies)