1. The Ming Tombs, also known as Ming Shisan Ling, is a complex of imperial mausoleums of the Ming dynasty located in Changping district, Beijing. It is the final resting place of 13 emperors of the Ming dynasty, as well as their empresses and concubines. The tombs were built between the years 1409 to 1644 and are considered one of the finest examples of Ming-dynasty architecture.

Some of the interesting facts about the Ming Tombs are:

- The tombs are spread over an area of 120 square kilometers, with each tomb located in its own separate valley.

- The tombs are built using traditional Chinese architectural principles, featuring pavilions, archways, and bridges.

- The most famous tomb in the complex is the Chang Ling Tomb, which was built for Emperor Yongle, who moved the capital to Beijing in 1421.

- The tombs are surrounded by lush forests and hills, creating a serene and peaceful atmosphere.

2. The working time of the Ming Tombs is from 8:00 am to 4:30 pm, with the last admission at 4:00 pm. The phone number for the Ming Tombs information center is +86 10 8979 9990.

3. The entrance ticket for the Ming Tombs costs CNY 130 for adults and CNY 65 for children. The ticket includes admission to the Chang Ling Tomb and the Sacred Way. There are additional fees for visiting other tombs within the complex.

Transportation options to the Ming Tombs include taking a public bus, hiring a taxi, or joining a guided tour. The nearest subway station is the Ming Tombs Station on Line 13, which is about 40 km from downtown Beijing.