Gero Breloer / AP
A couple takes a bath in a huge puddle at the summer music festival "Prznek Woodstock" in Kostrzyn, Poland on Aug. 2.
Lech Muszynski / EPA
A woman crowd surfs in an inflatable dingy at the 18th Przystanek Woodstock in Poland on Aug. 2.
The music festival, Przystanek Woodstock (Polish for Woodstock bus station), officially kicked off Thursday in Kostrzyn, Poland near the Polish-German border. The festival which runs from Aug. 2 - 4 has free entrance and claims to be the largest open air festival in Europe.