Complex sentence: Crown Convention Center is an indoor arena in Nha Trang, Khanh Hoa, Vietnam and it is currently the biggest stage in the Southeast Asian nation, with an arena of 1,500 square meters, and was built in 2008.
Split into simpler sentences: Crown Convention Center is an indoor arena in Nha Trang, Khanh Hoa, Vietnam. It is the biggest stage in the Southeast Asian nation, with an arena of 1,500 square meters, and was built in 2008.