NATURE | Dogs That Changed the World | Behind the Scenes | PBS

In this exclusive video, producer/director Corinna Faith discusses the challenges of filming dogs in remote locations around the world, including sled dogs in the Arctic, singing dogs in Papua New Guinea and sheepdogs in the Scottish fells. NATURE's two-part special DOGS THAT CHANGED THE WORLD airs Sundays, April 22 and 29 at 8 p.m. (ET) on PBS (check local listings). Academy Award-winning actor F. Murray Abraham narrates the programs, a highlight of NATURE's 25th anniversary season. The series is produced by Thirteen/WNET New York for PBS. For more information, visit http://www.pbs.org/nature