The world's largest tower crane, the R20000-720, rolled off the assembly line in Changde City, central China's Hunan Province, on April 20. It will be used in the construction of the Ma'anshan Yangtze River Bridge as part of the Chaohu-Ma'anshan high-speed railway project. It has over 60 core technology breakthroughs and achieved 10 world firsts. | CGTN

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Walk-Around Of A Grove GMK 5275 Crane With A 3-Axle Boom Dolly Winkleman, Arizona 6-13-12