ising ▁was ▁the ▁chance ▁for ▁women ▁to ▁see ▁inside ▁a ▁bro th el . ▁ ▁During ▁the ▁ 2 0 0 6 ▁FIFA ▁World ▁Cup ▁in ▁Germany ▁in ▁the ▁summer ▁of ▁ 2 0 0 6 , ▁the ▁company ▁under to ok ▁a ▁market ing ▁campaign , ▁in ▁association ▁with ▁He at ▁TV , ▁in ▁which ▁they ▁visited ▁Mun ich , ▁Leipzig , ▁Hamburg ▁and ▁C ologne ▁with ▁their ▁" lo ve ▁tr uck ", ▁a ▁bro th el ▁on ▁whe els ▁with ▁six ▁prost it utes ▁offering ▁customers ▁free ▁sex ▁in ▁exchange ▁for ▁publication ▁rights ▁of ▁the ▁recorded ▁video . ▁ ▁In ▁June ▁ 2 0 0 7 , ▁a ▁series ▁of ▁online ▁broadcast ▁sw ingers ▁night s ▁were ▁launched , ▁on ▁which ▁prost it utes ▁did ▁not ▁work ▁and ▁only ▁cou ples ▁and ▁females ▁were ▁allowed . ▁A ▁free ▁buff et ▁and ▁be ver ages ▁were ▁included ▁for ▁cou ples . ▁ ▁Big ▁Sister ▁closed ▁in ▁ 2 0 1 0 . ▁Another ▁company ▁tried ▁to ▁open ▁a ▁traditional ▁bro th el ▁without ▁cam eras ▁in ▁the ▁same ▁location ▁but ▁closed ▁after ▁one ▁year . ▁ ▁Leg al ▁questions ▁Pro st itution ▁in ▁the ▁Czech ▁Republic ▁is ▁allowed ▁for ▁persons ▁over ▁ 1 8 ▁years ▁of ▁age , ▁but ▁p imp ing ▁and ▁bro th els ▁are ▁illegal ▁according ▁to ▁Section ▁ 2 0 4 ▁of ▁the ▁C riminal ▁Code . ▁It ▁is ▁disput ed ▁whether ▁or ▁not ▁Big ▁Sister ▁was ▁a ▁bro th el . ▁ ▁Operation ▁and ▁equipment ▁The