Dutch police raid reveals soundproof ‘torture chamber’, complete with dentist chair
https://www.scmp.com/news/world/europe/article/3092256/dutch-police-raid-reveals-soundproof-torture-chamber-complete
Ports for freight use are often the places where gangsters like to use. In Japan, we often see they are waiting for someone in a warehouse in freight yard. Similarly, Dutch criminals in the article seem to use containers there.