No one answered, but the looks on a few faces told her she wasn’t the only one surprised.

The deeper they went, the more it struck her: there were places within these walls she had never even imagined. Hidden stretches of land that felt more like wilderness than school grounds.

It made her wonder — how much else did she not know?

The ride went on longer than she thought possible. The instructors said nothing, only signaling for the groups to keep moving deeper into the trees.

What had ...