Designs for a 69,500-seat football stadium in Saint Petersburg, Russia, have been unveiled, forming part of the nation's bid to host a FIFA World Cup semi-final in 2018.
The €500m ($654.6m) stadium will be located on Krestovsky Island in the north west of the city.
Designed by Japanese architect Kisho Kurokawa the stadium features a moveable and retractable roof.
The Russian bid proposes 16 stadiums in 13 host cities while four stadia in the Moscow area would stage games. 13 new venues are being planned.
The venue, which will be the new home of Russian football club Zenit Saint Petersburg from 2012, according to worldfootballinsider.com.