Did it start with him sitting around the kitchen table with some mates and one of them highlighting the potential pun of The ‘Walled-off’ hotel, and so they laughed.. and he laughed.. and then he thought - you know what? We could actually make that happen.. And then, a while later, it had happened. Actually actually happened. As in - there is now a hotel that you can stay in, a real one.
Once again, money-where-his-mouth-is genius from Banksy.