Concrete tree?

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Over the next few days I will post photographs from Vivid Sydney – a festival of light, music and ideas.

This is the Mushroom (MLC Centre), Martin Place, designed by Australian architect Harry Siedler. Built in 1977, it houses the CTA (Commercial Traveller’s Association) Club.

More information is available here:

http://www.worldarchitecturemap.org/buildings/the-mushroom-mlc-centre
http://ctabusinessclub.com.au
http://www.vividsydney.com