Galapagos Totally Legit Steps

Here, external staircases often consist of a single pour of molded concrete with nothing supporting them from underneath.

Exhibit A:

From the ground to the roof is a single piece of solid concrete with nothing supporting it from underneath. It's  also fairly thin.

Also, witness the unfinished second story. I don't know why, but tons and tons of buildings here are made like that, with mostly unfinished upper floors, as if someone started building and just went until the money ran out.

Here's another example of both things: