> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://tallyho.crisp.help/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Best day to do the tour?

We generally recommend doing the tour at the start of your trip. It's the best way to blow out the cobwebs after a flight and get a great overview of London.