There lot to explore but here some to get started.

The layout of map and explaining point of interest and city. There also short history for the reason for Dead Zone.

No, you don't understand, clothing is very important market for Dead Zone dying economy. They are getting more rare to find and buy as time goes on, due to heavy traffic of comsumer.

Orgins why nobody wears pants. If you managed to wear them at this dying time, you are chad.