van Calker vierde bij WK

Netherland's driver Edwin Van Calker and pushers Yannick Greiner, Sybren Jansma and Arno Klaasen enter their bob during the men's four man bobsleigh at the FIBT Bobsleigh and Skeleton World Cup and European Championships competition in Altenberg January 8, 2012. REUTERS/David W Cerny (GERMANY - Tags: SPORT BOBSLEIGH) REUTERS