近日，国内外社交媒体网站上一段北京城区43小时"旧桥变新桥"的视频火速蹿红。

　　The two-minute time-lapse video recorded workers replacing the Sanyuanqiao cloverleaf junction.

　　这段两分钟的延时视频记录了工人更换三元桥的过程。

　　The project started at around 11 pm on Nov 13 and ended on Nov 15. The most challenging part of the overhaul was the replacement of the 1,300-ton bridge structure, which cost RMB39m.

　　工程于11月13日晚11点左右开启，15日结束，最具挑战性的部分就是1300吨桥梁的整体更换，耗资3900万元。

　　Many foreign viewers expressed their amazement at the "Chinese speed" and many asked whether this construction team does contract work overseas.

　　许多国外网友观看视频后表达了对"中国速度"的赞叹。很多人还问到这支工程队是否也承接海外项目。

　　The footage garnered more than 1,680,000 views on YouTube by Tuesday.

　　截至24日，这段视频在YouTube网站播放量已超过168万。