(...) In the international economy, the importance of cities is undoubtedly growing. This is linked to urbanisation. Currently, slightly more than half of the world's population lives in cities. In 1950, city life applied to less than a third of the world's population. According to UN projections, the trend of physical urbanisation will continue in the coming decades.
By 2050, more than two-thirds of the Earth's population will live in cities...