I love the editing on this one and the placing of blocks with commands (I'm guessing) instead of physically placing them with your character. Specifically the palm trees. Very nice touch.
I'm convinced that Minecraft must be a dream game for people that wish to be architects/designers in real life. Like, they can build and create so much in the game and make it look any way they want.
You should continue building your Modern House #20, then continue building Modern House #21. I mean, Modern House #20 design is beautiful and is pretty futuristic, it will be a great addition to your builds.