Many tourists are attracted by a famous love story happened in Tiemen Pass. In ancient time, a princess and a sheepherder fell in love, but which was opposed by the King, the father of the princess, and the evil prime minister. The king was instigated to catch the sheepherder and sentence him to death by the minister. However, it was known by the princess and she saved her lover. After the minister finding out, they were chased by lots of soldiers and tried to run out of Tiemen Pass at night. Unluckily, both of them fell into the river. In order to commemorate the lovers who sacrificed their life for love and freedom, a tumulus was built on Gongzhu Ling in front of Tiemen Pass.
