Privacy & cookies
What this site does and does not collect.
In short
This site can be read without giving any personal data. There are no accounts, forms or advertising.
Who is responsible
The controller is it works digital s.r.o., Havlíčkovo náměstí 6, Praha 3, Czech Republic.
Analytics
Google Analytics 4 is loaded only if you choose 'Allow analytics' in the cookie notice. If you do, Google sets cookies (such as _ga) and receives your IP address in shortened form, the pages you view and technical data about your browser. We use the aggregated statistics to see which pages are useful. If you decline, no analytics script is loaded and no analytics cookies are set.
You can change your choice at any time with the 'Cookie settings' link at the foot of every page.
Storage on your device
Your answer to the cookie notice is saved in your browser's local storage under the key 'ds-consent' so that we do not ask again. It never leaves your device.
Fonts
Typefaces are served by Google Fonts. Your browser requests them from Google's servers, which involves transmitting your IP address to Google.
Server logs
The hosting provider keeps standard access logs (IP address, time, requested page, browser) for security and troubleshooting, for a limited period.
Your rights
Under the GDPR you have the right to access, correct or erase personal data held about you, to object to processing and to complain to a data protection authority.
External links
Links to cave operators and other websites are provided for convenience. We are not responsible for their content or privacy practices.
Last updated: 6 October 2026.