Banri Namikawa, a photographer who documented the diverse cultures along the Silk Road and other cultural heritage sites, died Sunday of lung cancer at a hospital in Kanagawa Prefecture, his family said. He was 74.

A native of Tokyo, Namikawa devoted his life to photographing cultural heritage sites. He documented cultural heritage sites in the Middle and Near East, Asia, and South and Central America in his efforts to contribute to the preservation of cultural assets. He published a number of photo collections.