0
Anonymous
The retractable concertina-style structure, made of recycled waterproof material, has taken three years to build, weighs 3,000 tons and is estimated to have cost £20million.
Wiki User
Chat with our AI personalities
£80m.
Source: http://news.bbc.co.uk/sport2/hi/tennis/8125151.stm
2 pound
£22 million