Coral cement wall. Close-up of a wall constructed from coral cement. In Zanzibar, cement for building construction is made from powdered coral. The co

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Coral cement wall. Close-up of a wall constructed from coral cement. In Zanzibar, cement for building construction is made from powdered coral. The coral is broken down into small pieces, which are then fired in a furnace where they turn into a powder. This powder is then mixed with water to form cement. Photographed in Jambiani, Zanzibar, Tanzania.

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Size: 3744px × 5616px
Photo credit: © DR NEIL OVERY/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1920s, 1924, 20th, architectural, architecture, building, century, de-stijl, dutch, exterior, gerrit, gerrit-rietveld, historical, history, holland, home, house, iconic, inter-bellum, listed, monument, netherlands, restored, rietveld, schroder, schroder-house, schroder-schrader, site, unesco, utrecht, wall-, world-heritage