Privacy and cookies
Privacy and cookies
Who we are
EarthState is the trading name of Dr Daguang Han, based in the United Kingdom. Contact: daguang.han@gmail.com.
Cookies and analytics
This website sets no cookies and uses no analytics or advertising trackers. Fonts are loaded from Google Fonts, and the 3D viewer loads open-source libraries from a public content delivery network; those services receive your IP address as part of delivering the files.
When you email us
If you email us, we use your name, address and message only to reply and to carry out any work you ask for. We keep correspondence for as long as needed for that work and for our legal and accounting obligations, and do not share it with third parties for marketing.
Your rights
Under UK data protection law you can ask to see, correct or delete the personal data we hold about you. Write to the address above. You can also complain to the Information Commissioner's Office.
Last updated November 2026.