Turning over to Germany now, where around four thousand people have participated in a so-called 'Mud Olympics'.
The event was held last weekend in the northern coastal town of Brunsbuettel to help raise money for cancer patients.
Forty teams from Germany and neighboring countries competed in mud volleyball, mud football, and slimy sledging for medals.
There were also prizes for the funniest team name, best mud mascot and best costume.
The annual event has been raising money for charity since 2004, and this year managed to collect more than 55-thousand U.S. dollars.