La Palma (also San Miguel de La Palma) is the fifth of Spain's Canary Islands. This mountainous volcanic island is a natural wonder of tropical vegetation. Its coast is lined by jagged cliffs and plunging ravines, and its beaches are covered with black sand. Thanks to dry climate and the height of its mountains creating excellent observation conditions, La Palma has become the home of some of the world's largest telescopes, seated on the rocky ridge called El Roque de los Muchachos.
Xi’an, located in central China’s Shaanxi Province, served as the starting point of the ancient Silk Road and was the capital of 13 imperial dynasties. Its long history is most famously represented by the Terracotta Army, an underground army of life-sized warriors discovered in 1974. Each figure has distinct facial features, hairstyles, and armor, designed to protect Emperor Qin Shi Huang in the afterlife.
Lahnstein is located at the confluence of the rivers Rhine and Lahn. Situated between the tranquil Lahn Valley and the bustling energy of the Rhine, Lahnstein has developed a unique character and offers a wide variety of activities for visitors.
Nestled on the banks of the Danube River, Vidin, Bulgaria, is a city where history and scenic beauty converge. This ancient city, known for its well-preserved medieval fortress, the Baba Vida Castle, offers a unique glimpse into Bulgaria's past. The fortress, dating back to the 10th century, stands as one of the best-preserved medieval fortifications in the country.