Sudan, located in northeastern Africa, is a country of diverse landscapes, from the vast Sahara Desert in the north to the fertile Nile Valley in the center. The Nile River, one of the world’s longest, runs through the country, shaping both its agriculture and history.

The Island of Mozambique, a UNESCO World Heritage Site, is a historical gem nestled off the northern coast of Mozambique. This small island, which was once a pivotal trading post, boasts a rich tapestry of history and culture. The island's main attraction is the Fort São Sebastião, an imposing 16th-century fortress built by the Portuguese to protect their trading interests.

Berlin has an undeniable history. The horrors of World War II, division, reunification, revolution all profoundly impacted the city in the 20th century. Today, visitors will find a sophisticated, high-energy city with endless cultural, architectural and gastronomic attractions.

St. Kitts and Nevis is a West Indies island country and the Western Hemisphere's smallest sovereign state.

The Volga River is an emblematic waterway that meanders through the heart of Russia, offering an exceptional journey through the country’s rich cultural and historical tapestry. As Europe’s longest river, stretching approximately 3,530 kilometers (2,194 miles), the Volga flows from the Valdai Hills to the Caspian Sea, weaving through major cities such as Tver, Nizhny Novgorod, and Volgograd.