Great experience and lots of info about the London landmarks
Had a really enjoyable time touring London over two days - the only caveat I would say was that we enjoyed the ones with a tour guide better, rather than the pre-recorded tape (though that is available in many languages so may be preferable for non-English speakers. The only problem was that if you sat further towards the back on the top, you often couldn't hear what the tour guide was saying. Apart from that a wonderful experience and would recommend it to anyone.
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