Line 2 (Xiamen Metro)  Line 2 of the Xiamen Metro is a subway line in Xiamen. The line running from to , has 32 stations and is long. It was opened on December 25, 2019. In mid-December 2019, construction works near the Siming District were affected by subsidence. A major water pipe burst, and dirty water flooded the construction site, affecting the concourse, platform and metro lines under construction. The subsidence also caused a collapse of the surface road and a resulting crater of approximately . The cause is believed to be a burst water pipe. Water also penetrated the now-opened Lücuo station of Line 1, and flooded the concourse and platform.