(i) With social and cultural development, humans develop better and more efficient technology. They create new possibilities with the environment. (ii) Nature provides opportunities and humans avail of these opportunities. It is called possibilism. Nature gives an opportunity and man sustains it. In this way gradually nature gets humanised and starts bearing the imprint of human endeavour. (iii) There are many examples: The human activities create cultural landscape, health resorts on highlands, huge urban sprawls, fields, orchards and pastures.