2014-12-26. Archived from the original on 2014-12-30. Retrieved 2014-12-30. ↑ Beijing's new airport terminal capped ↑ https://www.thebeijinger.com/blog/2017/12/17/imperial-era-tombs-discovered-site-new-beijing-mega-airport ↑ "【清代墓葬】大兴新机场发现228座古墓！现场照片惊人".