As a military site of great importance, Kinmen had come under attacks of millions of cannonballs. Today, as the China–Taiwan relations turns stable, and the mines are completely removed, ordinary people can now step on Chenggong Beach to witness the once battlefield. Moreover, enter the Jincheng Civil Defense Tunnel from a present bus station, you'll have no clue where you are after you finish the one-kilometer trek returning to the ground. Next, go to Lion Mountain Base to check out the former artillery magazine and watch artillery drill performance. Near the sea, there is only a bullet-riddled Western building standing at Beishan, along with a giant speaker, which was used for psychological warfare propaganda to Xiamen at miles away. After the war, people have picked up the shells scattered on the island, melting and casting them into kitchen knife.