Woolley says circuses have been changing for many years by increasingly telling stories.

伍利说多年来马戏团改变了很多，越来越喜欢讲故事。

Check out this drone video of the Woolley animals being herded by a couple folks in utility vehicles in Washington state.

观看这段无人机视频，拍摄的是华盛顿州几个人驾驶多用途车放牧伍利动物。