The covered track is seen before the start of the Red Bull X-Fighters 2011 World Tour freestyle motorcross event at the Poznan soccer stadium in Poznan, western Poland August 6, 2011. Poznan is one of the four Polish venues where next year's EURO 2012 soccer championships will be hosted. Picture taken August 6, 2011. REUTERS/Kacper Pempel (POLAND - Tags: SPORT SOCCER MOTOR RACING)