so, is there an explanation of how tess escaped the tower?
seriously how did she of all people escape a full blown invasion of the tower when they where firing down caballs right next to her shop? my only guess is banshee was able to give her covering fire from his nearby shop as she ran away with a handful of bright engrams, making sure to trip up fabulous fabric lady as she made her way to the evacuation zone
Is there an explanation of why we land on a low flat part of the wall around the Last City called the Tower?
Because when you land at the "Tower" you can see the actual Tower from D1 being rebuilt a few miles away.