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London’s a pretty liberal place, with lots to do. But there are still some things that are off limits – unless you can do them without being seen.
Whether it’s sneaking into Buckingham Palace, popping into No. 10 or just riding the Piccadilly line for free, a few things are only possible with the help of an invisibility cloak (or a VIP pass).
So we want to know: what would you do if you were invisible for a day in London?
Share your plans hidden from plain sight in the form below. All entries are anonymous, so your secrets are safe with us. The most imaginative and outright sneakiest entries will be featured in Time Out magazine.
Fill out my online form.
Seeing as we’re on the topic of sharing secrets, Londoners revealed what they’d like to say to the last person they slept with.