1. Climb the escalator step by step in the middle of the tower.
2. Take the construction elevator from the ground floor to the scaffold erected on the last pier, then walk from the scaffold to the tower and climb the escalator of the tower.
Tower crane is a kind of tower crane, which originated in western Europe. According to records, the first patent for tower crane for construction was issued in 1900. 1930, Germany has started mass production of tower cranes and used them in buildings. 194 1 year, the German industrial standard DIN8770 on tower cranes was published. According to the standard, the lifting capacity of tower crane is expressed by the product of lifting load and amplitude plus large torque.