Rungrado May First Stadium, Pyongyang
The Rungrado May First Stadium, or May Day Stadium, is a multi-purpose stadium in Pyongyang, North Korea, completed on May 1, 1989
for the 13th World Festival of Youth and
It is currently used for football matches, a few athletics matches, but most often for Arirang performances (also known as the Mass Games). The stadium can seat 150,000, which is the largest stadium capacity in the world and the world's 12th largest sporting venue.
Field dimensions: Main pitch- 22,500 mē
Total floor space- over 207,000 mē
Wikipedia: Rungrado May Day Stadium.