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In January 2023, the London Underground celebrated 160 years, the first subway system in the world (the first line was established in 1863 and connected Paddington stations with Farringdon). To mark the occasion, signs similar to this sign were placed in the subway stations. The current sign was photographed at Bond tube station, and it shows the well-known subway roundel Click for sign's details when it is designed in the shape of a heart.