More than a thousand workers changed the railway tracks for a train station in only six hours in northern China.<br /><br />The impressive time-lapse video, captured in Xi’an City in Shaanxi Province on January 15, shows more than 1000 workers and 20 large construction machines working on site at night.<br /><br />In order to minimize the impact of the construction work to the passengers, workers started the update process from midnight and finished it at around 6:00 am the next day.
