Can cities be improved by design

This exhibition was about our growing cities in a changing world, 50% of people on earth living in a cities.

*Urban population growth from 10% (1900), 50% (2007) and expected 75%(2050)
*Concentration of people moving to city force the city growing faster ever than before.
*95% of urban growth will be in Africa and Asia
*Cities are becoming more connected
*Cities are growing upwards and downards.
*It raise the question :
*Can cities be improved by design?
*How can cities accommodate billions of New Urban dwellers?
*Does the shape of cities affect the future of our planet?