Models wearing the 4,100-meter-long wedding dress take a selfie in "Ziyixiangxun valley" in Chengdu, Sichuan province on Sept. 24, 2014. The large tailing dress takes a month to make and costs 40,000 yuan ($6,520) to celebrate the National Day. This dress has broken the Guinness World Record for the longest wedding dress previously held by a 2,977-meter dress designed in Romania in 2012. [Photo/CFP]