With the increasing sophistication of urban rail networks, the combined effects of rail transit on urban development are more and more complex and in-depth, and large-scale rail transit construction and operation have placed new demands on planning, construction, investment and financing. This...

According to the US government, the Russian government is developing a programme to arm some of its satellites with nuclear warheads. Should the Kremlin acquire this capability, it could destroy key parts of the civilian satellite infrastructure by detonating a single nuclear weapon in low Earth...