Complex sentence: Traditionally, the FA Cup Final is played at London's Wembley Stadium however due to extensive redevelopment of Wembley, finals between 2001 and 2006 were played at Millennium Stadium in Cardiff.
Split into simpler sentences: Traditionally, the FA Cup Final was played at London's Wembley Stadium. Early finals were played in other locations and, due to extensive redevelopment of Wembley, finals between 2001 and 2006 were played at Millennium Stadium in Cardiff.