Dear Copernicus Olympiad community, we are currently undertaking essential performance enhancements to our website to ensure a smoother and more efficient experience for all our users. During this period of optimization and testing, some users may encounter difficulties accessing the site or navigating its features. We are dedicated to providing you with the best possible service, and we appreciate your patience and understanding during this brief interval. Rest assured, the Copernicus Olympiad will be fully operational and better than ever very shortly. Thank you for your continued support and cooperation.