Yeah, sure. Nobody would ever notice the truck with the coolant tank in front of the building and the frozen pipes running in ;). Here in Berlin they freeze the

Yeah, sure. Nobody would ever notice the truck with the coolant tank in front of the building and the frozen pipes running in ;). Here in Berlin they freeze the ground to make excavations in places with high ground water, that looks the same. To be honest - law enforcement could pull that off. But that's not the threat model that this is supposed to counter.