p 　　A fascinating exploration, in 二 episodes, of the global phenomena of skyscrapers over 三00 m tall From the world 三九 s tallest buildings to those currently under construction, engineer Rob Bell goes on a journey to uncover the secrets of these giants Episode 一 sets out to reveal what is driving the revolution in super skyscrapers and the challenges involved in the design and construction of the foundations and the super structures of these towers br 　　 a href "https: www douban com link二 url https 三A 二F 二Fsharethefiles com 二Fforum 二Fviewtopic php 三Ft 三D二七五九0九 link二key 0四b五一四d六cb" target " blank" https: sharethefiles com forum viewtopic php t 二七五九0九 a p