An art miniature of the Hall of Prayer for Good Harvests within the Temple of Heaven is being exhibited in Guangzhou, attracting visitors with the glitter from its special building materials, 200 thousand diamonds and precious stones.The miniature is 1.38 meters high and is able to open its door automatically presenting to visitors a view of how an ancient emperor held a reverent petition ceremony. Other valuable artworks, such as sculptures made of jade and wood, are also on exhibit in Panyu Yuguang Jewelry Company in Guangzhou in southern China. The Temple of Heaven is located in southern Beijing. It was included in the UNESCO world heritage list in 1998. With an area of 2.7 million square meters, it is the largest of its kind in the country. Built in 1420, during the 18th year reign of Ming Emperor Yongle, the temple was for emperors to worship the heaven for good harvests.