Many years ago, a highly intelligent race of people living in China discovered a fault with the Earth's natural orbital trajectory which, if left unresolved, would result in the world ending in the mid twenty-first century.
The leaders of these people, whilst travelling the world in search of a solution to the problem, arrived in London. Here they stumbled on the theory that if they created vast but subtle movements across the Earth's surface, then such weight-shifts would have a reasonable bearing on the rate at which the Earth rotates, and thus would alter its orbital path. To provide...