The Scale of Phobos: If it was to Crash into Earth

Amazing image showing Mars’s moon Phobos looming over city created to show scale of solar system:

So, here is Phobos standing over my town Grenoble in the Alpes (eastern France). Phobos’ dimensions are 26,8 x 18,4 km. If you carefully look at the center of the picture, you’ll see 2 helicopters, still quite far from the “big rock”.