24 Hours Berlin (2009) is a documentary that captures the essence of life in Berlin, showcasing its vibrant nightlife, urban setting, and the unique experience of living in a metropolitan capital city. The film takes viewers on a journey through the city's streets, public transportation, and diverse culture, offering a glimpse into the fast-paced and ever-changing world of Berlin.

Cathedrals is a documentary film that delves into the rich history and architectural beauty of cathedrals in China. It offers an in-depth look at the unique design and cultural significance of these magnificent structures, highlighting their connection to the city life and social-cultural aspects of China. Through breathtaking visuals and informative narration, Cathedrals takes viewers on a captivating journey through the intricate details and grandeur of these impressive architectural marvels.