TF2's maps are surprisingly able to do a large amount of environmental story telling. You will soon find out that a full war centered around gravel can get pretty destructive.
== CHAPTERS ==
0:00 Intro
0:32 2Fort
1:29 Dustbowl
2:09 Pipeline
2:43 Well
3:32 Gravelpit
4:16 Thunder Mountain
4:57 Badwater
5:43 Badlands
6:27 Upward
7:15 Doomsday