The courts at Wimbledon are made up of rye grass, with each individual blade of grass averaging 8 millimetres in length. Wimbledon is also now the only of the four Grand Slams to be played on grass, although the Australian Open was also played on grass in the past.
grass
grass
According to the Wimbledon website (refer to the link, below), as of June 2009, the grass courts at Wimbledon are made of "100% Perennial Ryegrass".
At wimbledon the players play on the grass surface.
The seating capacity of Wimbledon's Centre Court is 15,000.
Yes, a retractable roof was added to the center court at Wimbledon in 2009.
The capacity of Wimbledon Centre Court at the time of the 2009 Championships is 15,000.
Centre Court
As of 2009, there is a retractable roof on the Wimbledon center court.
England.
The Wimbledon trophy is made of sterling silver.
It is simply called "Centre Court"