How are Saudi Arabia and Hong Kong examples of possibilism?

Possibilism says that the physical environment is passive and man is an active agent in freedom to choose between many possibilities of environment. For possibilism, the development of human activity is the result of his initiative and man is the one who changes his condition of life, altering the natural environment. Therefore, Hong Kong and Saudi Arabia are cities and societys with Possibilism thinking because they have modified the natural environment to gigantic scales, creating their own natural environment where their cities thrive.