'Many skyscrapers have a stiff core that acts as the building's spine & also contains this column'
the elevator column
A TIME TO BUILD UP: Many skyscrapers have a stiff core that acts as the buildings spine & also contains this column
Many skyscrapers have a stiff core that acts as the building's spine & also contains this column
Many skyscrapers have a stiff core that acts as the building's spine & also contains this column
A TIME TO BUILD UP
the elevator column
A TIME TO BUILD UP