Back to nature! Though supermodel sisters Gigi, 25, and Bella Hadid, 24, are typically seen strutting down runways around the world, when it comes to family time, you can find them huddled up with mom Yolanda, 57, and their brother, Anwar, 21, at their 32-acre farm in New Hope, Pa. Former Real Housewives of Beverly Hills star Yolanda bought the estate in 2017 after relocating from the West Coast and has kept it thriving ever since. “It’s where we can all come and feel like ourselves again,” explained Gigi, who welcomed daughter Khai with Zayn Malik, 28, in September. “When I’m here, I just get in my truck and go to the store. Kids get excited at the market, but they don’t take their phones out. They want us to…