They look like scale models, but they’re not. He went through the trouble of getting up real high to take these photos, and then saturated the colors and simulated a macro focus lens. And he did it all to fool you!
Tiny or not, Hong Kong is a crazy place.
You know, after seeing all these photos, I might want to take a visit to Hong Kong. But have you seen the news lately? I might get caught up in all those protests and all that tear gas flying around.