Good sentence
1)We've been very hard at work on redefining the way maps work online.
ex)I have been a very good job of redefining the way of studying

2)To show you the 3D structure of the city, all the facades(the front of a building, especially a large and important one)
ex)To show us the 3D structure of the school, all the facades.

3)This wonderful one which I don't have time to show you.
ex)This wonderful studying way which I don't have time to show you.