This image is from Google Maps and depicts Maritime Square on Tsing Yi, the island where my grandmother lives. I chose it because I think it is the embodiment of the new millennium Hong Kong urban development.
The entire development is built by the MTR Corporation, a Government-owned publicly traded company that is primarily known for running the Hong Kong metro system of the same name.
The primary attraction of this development is the eponymous Maritime Square Mall, a large five-storey indoor shopping arcade. It is attached to Tsing Yi Station, a metro station on the overground Tung Chung Line and there is a small bus interchange on the ground floor.
The mall has shops including a grocery store, around a dozen restaurants, a Marks & Spencer, bakeries, clothing retailers, electronics stores, a few banks, and some miscellaneous other stores. Notably NOT in the building is a school, otherwise, you might even be able to spend your whole life without leaving it.
There are several towers extending out of the main mall complex which contain hundreds of units of (unaffordable) housing. I think there is a botanical garden on the roof, too. The entrance to these towers is inside the mall, where there's just a lift lobby where you'd expect a shop to be. The lift lobby is closed to the public; a keycard or code is required to enter.
I think it's a similar concept to a 15-minute city, but more like a 15-minute building.
Yeah, I did. No good, unfortunately. Could not get TOR to work at all unless connected to a VPN or using a foreign SIM card.
If you have a foreign SIM card then you can get access to the unfiltered Internet in China. So if you're planning a trip to China, I recommend doing that. I bought an eSim from SoSim which is a Hong Kong carrier (there is no firewall in Hong Kong—yet) and it was like 20 USD for the 14-day "Greater China region" pass. I think it had like 10 GB of data which was enough for my purposes. Extra data is pretty cheap anyway and they take foreign credit cards. No 5G or even 4G LTE though (you have to pay extra for that which sucks). You only get plain old 4G which is passable but disappointing. China throttles traffic to foreign IPs (even unblocked ones) so I don't think 5G would be a huge benefit anyway.
While connected to WiFi, I was able to set up my own OpenVPN server and that worked as well. Their blocking seems to be DNS based. If you keep it to yourself and don't share your server publicly, I think you should be good.
Since China is mostly cashless, all digital transactions are tracked and monitored, and selling access to an illegal VPN server will result in severe consequences. The Government doesn't actually care about individual people getting around the Great Firewall.
But like I said, the idea is not to be perfect but to make it annoying enough to get around that ordinary people don't bother.