dangdong in a sentence

1. A five-story building near the station was completely leveled, a Chinese source in Dangdong told South Korea's Kyunghyang Shinmun newspaper after telephoning a relative in Ryongchon.
2. In another account of what may have triggered the blast, South Korea's Chosun Ilbo newspaper cited a source in Dangdong as saying a gas storage facility near the train exploded, causing severe damage in the densely populated neighborhood.
3. It's difficult to find dangdong in a sentence.