A flock of sheep are seen crossing the London Bridge, in London, Britain, on Sept. 29, 2019. More than 600 people on Sunday took part in the annual Sheep Drive across London Bridge, a British tradition dating back to hundreds of years ago. The drive is expected to raise tens of thousands of pounds for the Lord Mayor's Appeal and the Woolmen's Charity. (Photo by Ray Tang/Xinhua)
A flock of sheep are seen crossing the London Bridge, in London, Britain, on Sept. 29, 2019. More than 600 people on Sunday took part in the annual Sheep Drive across London Bridge, a British tradition dating back to hundreds of years ago. The drive is expected to raise tens of thousands of pounds for the Lord Mayor's Appeal and the Woolmen's Charity. (Photo by Ray Tang/Xinhua)
A flock of sheep are seen crossing the London Bridge, in London, Britain, on Sept. 29, 2019. More than 600 people on Sunday took part in the annual Sheep Drive across London Bridge, a British tradition dating back to hundreds of years ago. The drive is expected to raise tens of thousands of pounds for the Lord Mayor's Appeal and the Woolmen's Charity. (Photo by Ray Tang/Xinhua)