Types of cookies we use
| Type | Purpose | Consent needed? |
|---|---|---|
| Strictly necessary | Make the site work and remember your cookie choices | No |
| Preferences | Remember choices such as language or saved favourites (often stored in your browser's local storage) | No, in most cases |
| Audience measurement | Understand how visitors use the site so we can improve it | Yes, where required |
| Advertising | Allow Google and its partners to show ads, limit how often you see the same ad and, with your consent, personalise ads | Yes, where required |
Audience measurement cookies
| Cookie | Provider | Purpose | Duration |
|---|---|---|---|
_ga, _ga_SD9VS5WEGY |
Google Analytics 4 (via Google Tag Manager) | Distinguish visitors and sessions to produce audience statistics | Up to 2 years |
_clck |
Microsoft Clarity | Keep the same anonymous Clarity ID across pages | Up to 1 year |
_clsk |
Microsoft Clarity | Group page views into a single session | 1 day |
For visitors in the EEA, the UK and Switzerland, these cookies are only set after consent. You can read how Google uses data and the Microsoft privacy statement, or install the Google Analytics opt-out browser add-on.
Advertising cookies (Google AdSense)
We use Google AdSense to display ads. Google, as a third-party vendor, uses cookies to serve ads on this site. Google's use of advertising cookies enables it and its partners to serve ads based on your visits to this site and other sites on the internet.
You can:
- manage personalised advertising in Google's Ads Settings;
- opt out of some third-party vendors' cookies at www.aboutads.info/choices or, in Europe, www.youronlinechoices.eu;
- read more in Google's explanation of how it uses cookies in advertising.
If you are in the European Economic Area, the UK or Switzerland, a consent banner lets you accept or refuse advertising and measurement cookies when you first visit. You can change your choice at any time using the "Privacy settings" link on the site.
How to control cookies in your browser
All modern browsers let you see, block and delete cookies through their settings (usually under "Privacy" or "Security"). Blocking all cookies may prevent some features of the site from working. Refusing advertising cookies does not stop ads from appearing, but they will not be personalised.
More information
See our privacy policy or contact us.
This guide was last reviewed in October 2026. Entry rules, opening hours, transport timetables and prices change; check official sources shortly before you travel. Spotted something out of date? Tell us.