Occurred on August 11, 2021 / Custer, South Dakota, USA
Info from Licensor: "While on vacation in the Black Hills in South Dakota in August of 2021, my wife and I went for a ride down the wildlife loop. At one point we came up over a hill and there were a ton of bison. There was a ranger there and he came to talk to us. We found out the whole herd was migrating and happened to be crossing the main road right at that time!"
Credit: TikTok/@jasondadman