産経フォト

ポニーが海を渡る! 米シンコティーグ島の「ポニースイム」

A boat tracks a group of Chincoteague ponies as they make the 91st annual Chincoteague Pony Swim on Wednesday, July 27, 2016 on Chincoteague Island, Va. (Jay Diem/The Daily Times via AP)

A boat tracks a group of Chincoteague ponies as they make the 91st annual Chincoteague Pony Swim on Wednesday, July 27, 2016 on Chincoteague Island, Va. (Jay Diem/The Daily Times via AP)