Asking for Help (Part 2)

"There are so many trees, and resources." They said. Even in the middle of the road, there's a line of trees. 

In most territories, only a few types of trees remained alive, and not all of them could be eaten.

Here, not only were there a lot of trees, but some of them looked a bit healthier with more leaves. This area was unlikely to be a system farm, so… how did they do it? How did they keep all these plants so healthy? 

"The trees outside are dried up, but the ones inside are thriving," one of the salespeople said, just before he proceeded to sell them his product, which was skewered meat with vegetables. "Of course, they still couldn't be compared to the status of the farms." 

"..."

Each of them bought a few sticks and looked at him. "Can you tell us more?" 

They couldn't help but eat what they bought though, and someone almost lost their footing at the deliciousness. 

The salesperson smiled and explained a few things.