Photo gallery: David Yarrow’s animal encounters

David Yarrow may be 150 feet away from a big cat or a roving bear, but his camera on wheels, which he operates via remote control, can whiz right up to the creature's feet. Meanwhile Yarrow activates the camera's shutter to make dramatic, up-close, frame-filling images he could never capture himself from that vantage point. It's just one way the seasoned wildlife photographer has bagged some of his most compelling shots. Read more about Yarrow's epic works.