Tallest proscenium

According to Official Guinness Records,

The tallest proscenium arch in a theatre was measured at 11.95m in the Siam Niramit, Bangkok, Thailand on 31 July 2006 Previous name of the building was the Ratachada Theater

For a complete list of 2006 records, please visit 2006 Guinness Records in Thailand.

Other Thailand records that might interest you:

• Largest seafood stick
• Most expensive painting by elephants
• Largest paper building
• Most couples married underwater -simultaneously
• Longest road bridge