15 unwritten rules you should know before travelling to London
Briefly

Avoid subpar street food in certain areas of London; opt for popular food markets instead. Choose independent restaurants over touristy chains for a unique dining experience.
Londoners may seem grumpy but are helpful when asked for directions. Avoid rush hour on the tube and follow etiquette like standing on the right of escalators.
Avoid tube crowds during rush hours. Most lines close overnight, so plan accordingly. Follow escalator etiquette standing right, walking left. Be aware of tube rules.
Read at CN Traveller
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