The documentary "El expreso de los Balcanes. Macedonia" likely focuses on exploring the cultural, historical, and geographical aspects of Macedonia within the context of the Balkans. It provides insights into Macedonia's unique identity, heritage, and landscapes, showcasing the country's significance in the region. The documentary offers viewers a deeper understanding of Macedonia's history, people, and notable landmarks, highlighting its role in the Balkans and its cultural richness.

Citations:
[1] https://www.dailymotion.com/video/x8wo7ue
[2] https://www.youtube.com/watch?v=zTa8vXWQUMc
[3] https://www.rtve.es/play/videos/grandes-documentales/grandes-documentales-expreso-balcanes-macedonia/3989245/
[4] https://sincroguia-tv.expansion.com/programacion-series/el-expreso-de-los-balcanes