A military museum has asked visitors to stop having sex at the historic site after new security cameras caught several "lusty" pairs in the act.
The Fort Gerhard museum, a former 19th-century Prussian fortress in the coastal town of Świnoujście in Poland, said they'd seen "three lovers engaged in trysts" in the space of a month.
The Fort Gerhard museum wrote on social media: "'Our guests are kindly requested… how can we put it… no ars amandi [the art of love] in the museum, please!'