Allied air support contained the invasion area — destroying communication lines, rail lines and Bridges.
盟军的空中支援是在整个入侵地区摧毁通信链路、铁路线以及桥梁。
2
Acid rain and polluted air also damage the bricks and stonework of buildings, and corrode the metalwork of steel Bridges and railings.
酸雨和被污染的大气还会侵蚀建筑物的砖块和石造的部分，腐蚀钢制桥梁和铁轨的金属部分。
3
This is possible by connecting the three theaters underground, and with Bridges in the air, leaving each building independent and efficient, while liberating the ground surface as public space.