2024-08-12 583词 中等
Britain is good at maps. Ordnance Survey, a mapping agency, has been a pioneer since the 18th century; few countries can match its MasterMap, which covers every feature above ground larger than a few metres. But until now Britain’s cartographers have shown less interest in what lies below, and that has begun to cause problems. According to the Geospatial Commission, an advisory body, accidental asset strikes happen around 60,000 times a year and cost £2.4bn ($3.1bn). Cutting through a gas pipe can be deadly.
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