This frame grab made Wednesday Jan. 9, 2013, was taken from APTN video provided by Yekaterina Achkasova, as her husband Denis Burakov and another man are seen inside a large plastic ball called a zorb, on Thursday, Jan. 3, 2013, while other man pushed it, at a winter sports venue at Donbay in the Caucasus Mountains of southern Russia. The zorb veered off course and sailed over a cliff, killing Burakov and leaving the other man badly injured. (AP Photo/Family photo provided by Yekaterina Achkasova, APTN)
This frame grab made Wednesday Jan. 9, 2013, was taken from APTN video provided by Yekaterina Achkasova, as her husband Denis Burakov and another man are seen inside a large plastic ball called a zorb, on Thursday, Jan. 3, 2013, while other man pushed it, at a winter sports venue at Donbay in the Caucasus Mountains of southern Russia. The zorb veered off course and sailed over a cliff, killing Burakov and leaving the other man badly injured. (AP Photo/Family photo provided by Yekaterina Achkasova, APTN)
