Burj Khalifa employs a record-breaking 330,000 cubic metres of concrete, 39,000 metric tonnes of steel rebar and 142,000 square metres of glass;and it took 22 million man hours to build.

• 帆船哈利法采用了破纪录的33.；0万立方米混凝土，钢筋39；000和142；000平方米的玻璃吨，并花了2200