 GreenwichJoin us as we visit Greenwich, where you’ll have free time to explore its rich history. Why not take a look at the fascinating foot tunnel and walk underneath the Thames? Other popular attractions here include The Cutty Sark and the Queens House. In the courtyard of the Observatory are brass strips set in the ground and walls marking the exact site of the line of the meridian. It is therefore possible to stand astride the line, with a foot in both the western and eastern hemisphere, a popular tourist occupation. 
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