If you travel to Greenwich, stand on the famous Prime Meridian Line — which is marked with a physical line and a sculpture at the Royal Observatory — and look at your GPS, it won’t read 0° longitude. It’ll be slightly out. Who’s right? And why?
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Jonathan is a consummate Anglophile who launched Anglotopia.net in 2007 to channel his passion for Britain. Londontopia is its sister publication dedicated to everything London.