Hidden City of Taurmond was created on 2006-03-21.
The Legend of the Hidden City was created in 1996.
Lhasa in Tibet is the 'hidden city'
Hidden World was created on 2006-10-10.
Yes the hidden city (the emperor's place) is in Beijing.
Hidden Chronicles was created in 2012.
The Hidden Child was created in 2007.
Her Hidden Children was created in 2005.
Hidden Passions was created in 2001.
Hidden Warrior was created in 2003.
Hidden Words was created in 1857.
Hidden Potential was created in 2007.
A Hidden Ulster was created in 2003.