In their free-time large crowds on the beaches or in the country are in fact a concentrated mass of people served by mechanical, mobile miserveces. Concentrations such as the isle of Wight or Woodstock indicate the possibility of an urban life without the emergence of three-dimensional structures as a basis. The membrane dividing exterior and interior becomes increasingly tenuous: the next step will be the disappearance of this membrane and the control of the environment through energy (air-cushions, artificial air currents, barriers of hot or cold air, heat-radiating plates, radiation surface's )
