ville (2) Robotics (2) monde (1) temps (durée) (1) électricité (1) Specialists (1) Urbanization (1) Time (1) Population (1) Petroleum (1) Persons (1) Oils and fats (1) Migration, Internal (1) Human beings (1) Industrial revolution (1) Electricity (1) Creative ability (1) Artificial intelligence (1) Population (1) intelligence artificielle (1)