Pruning a Crape Myrtle
Before
What was removed
After

Here is the tree after pruning. Crossing and inward growing branches have been removed. This helps open the center of the tree, giving the tree a more pleasing appearance.
Before and After
Here is a comparison of the branching structure of the tree before and after pruning:
Crape myrtle pruning article:
http://pender.ces.ncsu.edu/2013/02/how-do-i-prune-crape-myrtle/