Three electricians conducted maintenance on power lines over 400-metres above Jinsha River in southwestern China.<br /><br />In the video, filmed in the city of Kunming in Yunnan Province on May 31, the electricians climbed onto the transmission towers and walked 1250-metre-long above Jinsha River to maintain the power lines.<br /><br />After around three hours, they finished their maintenance work which made it ready for the Wudongde Dam to power on.<br /><br />The video was provided by local media with permission.
