Massive destruction 

The Western region of the human kingdom was known for its size (being the largest region of their territory), its productivity due to the many fertile lands, and the high number of people settled there. All these factors made many big cities rise in different parts of that territory in order to accommodate all its population. 

While in other regions one would need days of travel to find a city (these generally being at the center of the territory), in the Western region only some hours of traveling was enough for that. 

"That's the fourth in a roll", Mark commented, amazed by the number of settlements they found in a couple of hours after they reached their first city in that region. 

"It's a bit refreshing to find something after days and days of traveling and seeing only greenery. You know, something human-made. But... that's still a bit disturbing", Sean remarked while looking around with wariness.

"Hm? Why, though?"