On June 15, 2012, Borsk? Park in Pilsen became the scene of the biggest Balcony Battle in the history of the Czech Republic. On this pleasant day, more than 310 people, the record number as of today, came to enjoy the summer fun called ?The Balcony Water Battle of Gambrinus? using the unbelievable number of 16,200 water balloons. This newly established record will be entered into the Czech Book of Records.