宏伟设想─—环球隧道长江水底隧道开始启动，国内隧道正在升温，美国也在构思环球隧道计划，这是一个宏伟设想。隧道横跨美国大陆，由阿拉斯加开始，穿过白令海峡、连接西伯利亚、欧洲和伦敦；另一条由俄罗斯的库页岛起，经由日本列岛、朝鲜半岛、中国、东南亚，２条隧道... Grand Design ─ ─ Global Tunnel Yangtze River Tunnel started, the domestic tunnel is heating up, the United States is also conceiving the global tunnel project, which is a grand plan. Tunnel across the continental United States, starting from Alaska, across the Bering Strait, connecting Siberia, Europe and London; the other from the Sakhalin Island in Russia through the Japanese Islands, the Korean Peninsula, China, Southeast Asia, two tunnels ...