"In June 1991, while filming eruptions at Mount Unzen (Japan), they were caught in a pyroclastic flow, which unexpectedly swept out of the channel that previous smaller flows had been following and onto the ridge they were standing on. They were killed in

"In June 1991, while filming eruptions at Mount Unzen (Japan), they were caught in a pyroclastic flow, which unexpectedly swept out of the channel that previous smaller flows had been following and onto the ridge they were standing on. They were killed in