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CORRECTING RESORT LOCATION TO DOMBAI - In this undated family handout photo provided Wednesday Jan. 9, 2013, by Yekaterina Achkasova and distributed by the APTN, showing Denis Burakov and his wife Yekaterina Achkasova as they pose for a picture at a winter sports venue at Dombai in the Caucasus Mountains of southern Russia. Burakov was killed and another man badly injured Thursday Jan. 3, 2013, when a thrilling ride down a ski slope inside a giant inflatable ball called a zorb, ended in tragedy when the zorb veered off course and sailed over a cliff. (AP Photo/Family photo provided by Yekaterina Achkasova, APTN)

CORRECTING RESORT LOCATION TO DOMBAI - In this undated family handout photo provided Wednesday Jan. 9, 2013, by Yekaterina Achkasova and distributed by the APTN, showing Denis Burakov and his wife Yekaterina Achkasova as they pose for a picture at a winter sports venue at Dombai in the Caucasus Mountains of southern Russia. Burakov was killed and another man badly injured Thursday Jan. 3, 2013, when a thrilling ride down a ski slope inside a giant inflatable ball called a zorb, ended in tragedy when the zorb veered off course and sailed over a cliff. (AP Photo/Family photo provided by Yekaterina Achkasova, APTN)

Zorb ride turns deadly

The transparent plastic ball — called a zorb — veered off course and sailed over a precipice in the rugged Caucasus Mountains of southern Russia. One man died and the other was badly injured. The terrifying ride was captured on video.