How Tower Cranes Climb Skyscrapers — And How They Come Down

How does a tower crane keep getting taller as a skyscraper rises — and how does it come back down when construction is finished? This video explains how tower cranes are assembled, how self-climbing systems add new mast sections, how the crane stays stable at extreme heights, and how it is eventually dismantled. Chapters 00:00 Introduction 00:39 How a Tower Crane Is First Assembled 02:02 How a Tower Crane Makes Itself Taller 04:41 Why a Tower Crane Does Not Fall Over 06:35 How the Building Supports the Crane 09:29 How a Tower Crane Comes Back Down #TowerCrane #Crane #Construction #Engineering #Skyscraper #CivilEngineering