The biggest building in the world
Early gjis morning I took an hour walk to visit the largest man-made structure in the world. The Century Global Centre in Chengdu is capable of housing 20 Sydney Opera Houses or three Pentagons in its staggering 1.7 million square-metre interior.
This colossal 18-storey glass and steel superstructure is 500 metres long, 400 metres wide and stands 100 metres high.
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