30th century BC in architecture
See also: other events of the 29th century BC, 29th century BC in architecture, and the timeline of architecture.
Buildings and structures
gollark: We may have to deploy further screens.
gollark: Kelvin.
gollark: This also allows extreme HDR™.
gollark: GTech™ screens incorporate solid-state lasers and dynamically switchable optics to neutralize any insects which land on or near them.
gollark: Moth incursions really can be extremely, and.
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