About Istana Ampang Tinggi
The Istana Ampang Tinggi was a royal residence in Negeri Sembilan in Malaysia. The palace was built without using any nails. It has a length of 66. 5 feet and a width of 23. 5 feet. It was ordered by Yam Tuan Imam, the 5th Yamtuan Besar of Negeri Sembilan.