“and I’m going to go to London in two weeks.”
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Good for you- several members of my family just spent a delightful 10 days there——with two of them making a quick trip to Lisbon.
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Enjoy London, we live in Stuttgart and have visited Paris, Edinburgh, London, Rome, and have an upcoming visit to Prague.
In Paris and Rome there is a very visible military/police presence. Which is probably why this individual only killed one person. In Britain, it is not overt, taking common sense anti-crime measures: be aware of your surroundings, don’t advertise yourself as a tourist, etc. should be sufficient to protect yourself from most likely issues over here.
Unfortunately, over here, the best anti-crime/terrorism measure, concealed carry, is not an option.
P.S. Useful tip: It is much cheaper to get your foreign currency directly from ATMs (the Brits call them cash machines) than currency exchange places. If you want some before you leave, AAA offers sets that are cheaper than the airport exchange desks.