Same place | different time

Has this place always been a canyon?

Today a river cuts layered rock. The canyon itself is young compared with the rock it cuts.

Now

this year

Now

A dry plateau. A river. Rock layers you can count with your eyes. The canyon is only a few million years in this form. The layers are far older.

Real observation

Photograph from Hopi Point. U.S. National Park Service. Public domain.

A warm sea

about 500 million years ago

A warm sea

In the early Paleozoic this region was often shallow tropical sea. The limestone and shale in the walls began as sediment in water.

Drawing. Not a photograph.

We never collect a child's precise location. These rooms are chosen, not detected.