However, everything that exists. The Holy City is not carbon, but it has some disadvantages. Namely, the first is the issue of the use of natural energy. The Earth distribution of the fuels, therefore only some new area can use the resources. These regions meet the energy raw materials is always at the Centre of the city. Therefore, the installation, construction, transportation is difficult. In addition, carbon-free city needs a massive amount of money.
đang được dịch, vui lòng đợi..
