Two shipping containers provide a sea-facing observation deck atop this tower in South Korea by Portuguese artist Didier Faustino.

Visitors must climb five flights of steps to reach the top of the 20 meter-high scaffolding.

A 1:5 model of the structure, named Sky is the Limit, is on display at the NRW-Forum Dusseldorf Museum.

Read the original blog post here on Dezeen.