It took 30,000 workers six years to build this underground palace.

They blew the entrance and doorways of the underground palace, rushed into the tomb.

The Chinese government has no plans to uncover the underground palace.

I want to find a way into her underground palace.

The wonders of its underground palaces and temples had no charms for him.

The underground palace has been located at the center of the mound.

However, opponents of such excavations hold that China's current technology is not able to deal with the large scale of the underground palace yet.

Also the situation of the underground palace still remains unclear, so any rash digging may cause damage.

The preserved Buddhist finger relic rests at the center of the underground palace.

It's a huge underground palace, a hundred yards long and about half as broad.