Construction of a large-scale underground as Montréal in Vietnam is not needednecessary, because the cost for the construction of underground structures are often very high, while demandreally not as high as in Montréal. The climate in Vietnam not so toughas the winter in Montreal (may be reduced down to-400 c) to have the genus multi-billion dollar headfor a large-scale underground urban underground.
đang được dịch, vui lòng đợi..