Why this digital house you can’t live in costs thousands of dollars

Welcome home.jpeg.  “Mars House,” a futuristic-looking pad designed by Toronto-based digital artist Krista Kim, features sweeping views, plus modern, see-through furniture and even an infinity pool. “I see it as a weekend home, like a villa,” Kim told The Post. “It’s perfect for a couple.”  The only glitch? It doesn’t actually exist.  You can’t physically…