URL：https://get.pxhere.com/photo/grass-meadow-prairie-pasture-grazing-horse-mammal-stallion-mane-fauna-grassland-vertebrate-mare-foal-colt-thoroughbred-arabian-brown-mold-suckling-horse-like-mammal-mustang-horse-607802.jpg
掲載元：https://pxhere.com/ja/photo/607802
