Urbanization can fuel economic booms and motivate people to work harder. However, urbanization can also lead to congested roads, higher living costs, strains on accessibility to public infrastructure and other factors that may in fact push people into poverty. It is very clear that city builders have to consider these threats now; otherwise, prosperous society and modernity can move further away from us. In this episode of Mega Reality, CGTN's Xu Xinchen speaks with engineers around the world and looking closely at real-life cases to see how urban threats are confronted.