Photos by architect Iwan Baan, whose talk at TEDCity2.0 this year celebrated ingenious homes in unexpected places.

1. Caracas, Venezuela: the Torre David, a 45-story unfinished office tower that was in the midst of construction until the developer died in 1993, followed by the crash of the Venezuelan economy the following year. About eight years ago, people started moving into the abandoned construction site, and today it is considered the world’s largest vertical slum.

2.  Caracas, Venezuela: With no lifts or escalators, the tower is essentially a forty-five-story walk up. You’ll find seniors or those less physically-abled on the lower floors, and the young and healthy near the top. Public spaces like this stairwell are painted with care in order to make the tower feel more like an apartment building.

3. Lagos, Nigeria: In the center of the city is Makoko – a community of approximately 150,000 who live and work on stilted structures, just meters above the Lagos Lagoon.

4. Lagos, Nigeria: From the barbershop to the movie theatre, every aspect of life in Makoko has been adapted to meet the demands of life on the water.

5. Caracas, Venezuela:Like a beehive, the tower provides a skeleton framework for each inhabitant to create something for himself or herself by whatever means they can afford

Below, Iwan’s talk in full:

This post comes from our friends at TED — we loved these photos so much that we just couldn’t help sharing!

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    I have the biggest fan girl crush on Iwan Baan.
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