Early Morning Under Yeouido

I found an abandoned wheelchair at a bus stop.

Then I found a hole in the Earth.

The way in was not easy, basically tarps pulled over random formations of earth and gaps between them.

Down here it was soft sand.

I should've brought sandals.

Here's the beach.

For making sand castles.

Here's where the workers rest.

Looks like they're putting in stairs.

Crossing the bridge.

I tried going up this way but it led to a locked door.

Is that a panda?