 Complete the following phrase:  Hamburger SV plays its home games in the Volksparkstadion, which was previously known as the Imtech Arena between 2010 and 2015. Built on the site of the original Volksparkstadion, opened in 1953, the current stadium was opened in 2000, and has a capacity of 57,000  approximately 47,000 seats with another 10,000 spectators standing. The first Volksparkstadion had been a venue for the 1974 World Cup and UEFA Euro 1988. The Volksparkstadion is a UEFA category one stadium, which certifies it to host UEFA Europa League and UEFA Champions League finals. The stadium was the site of four group matches and a quarter-final in the past 2006 World Cup, hosted by Germany, and was known as FIFA World Cup Stadium Hamburg during the event. It was also the venue for the 