Pictures are known for being a key part of the work of a Japanese photojournalist who covered the Vietnam War. The photojournalist’s pictures of the Vietnam War are notable, but the evidence does not provide further details about the content or significance of these pictures. The source only mentions that the photojournalist was known for taking pictures of the Vietnam War, without elaborating on the specifics. The evidence does not provide information about the photojournalist’s style, technique, or the impact of their work. The article simply states that the Japanese photojournalist has passed away, but it does not provide any additional context about their career or the pictures they took.