sentences:  The increase in the admission fee to 30 DM per person and the lack of parking contributed to a drop in visitor numbers, until, in 2001, only 400,000 visitors entered the park.In 2001, Spreepark GmbH announced that they were insolvent.On 18 January 2002, Norbert Witte, together with his family and closest coworkers, moved to Lima, Peru.