Some examples....
Shinning from behind (subjects facing the sun)..... not issues except for parts of the building which were not hit by sunlight due to orientation.
Shinning from the front (facing the photographer)..... now you can't expect the building to be brightly lit without blow out the skies.
Shinning from the front (facing the photographer)..... now you can't expect the building to be brightly lit without blow out the skies.