Men wearing costume of traditional firefighters perform acrobatic stunts atop a bamboo ladder following a memorial service for firefighters at Sensoji temple in Tokyo's downtown of Asakusa May 25, 2015. Hundreds of firefighters in traditional costume gathered on Monday for the memorial service for firefighters who were killed performing their duties during the past 300 years. (Photo by Issei Kato/Reuters)

Men wearing costume of traditional firefighters perform acrobatic stunts atop a bamboo ladder following a memorial service for firefighters at Sensoji temple in Tokyo's downtown of Asakusa May 25, 2015. (Photo by Issei Kato/Reuters)

Men wearing costume of traditional firefighters swing “Matoi” company standards, following a memorial service for firefighters at Sensoji temple in Tokyo's downtown of Asakusa May 25, 2015. (Photo by Issei Kato/Reuters)

Men wearing costume of traditional firefighters swing “Matoi” company standards, following a memorial service for firefighters at Sensoji temple in Tokyo's downtown of Asakusa May 25, 2015. (Photo by Issei Kato/Reuters)

Men wearing costume of traditional firefighters perform acrobatic stunts atop a bamboo ladder following a memorial service for firefighters at Sensoji temple in Tokyo's downtown of Asakusa May 25, 2015. (Photo by Issei Kato/Reuters)

Men wearing costume of traditional firefighters hold “Matoi” company standards, as they attend a memorial service for firefighters at Sensoji temple in Tokyo's downtown of Asakusa May 25, 2015. (Photo by Issei Kato/Reuters)

Men wearing costume of traditional firefighters perform acrobatic stunts atop a bamboo ladder following a memorial service for firefighters at Sensoji temple in Tokyo's downtown of Asakusa May 25, 2015. (Photo by Issei Kato/Reuters)

Men wearing traditional firefighters' happi coat attend a memorial service for firefighters at Sensoji temple in Tokyo's downtown of Asakusa May 25, 2015. (Photo by Issei Kato/Reuters)

Men wearing costume of traditional firefighters hold “Matoi” company standards, as they attend a memorial service for firefighters at Sensoji temple in Tokyo's downtown of Asakusa May 25, 2015. (Photo by Issei Kato/Reuters)

A man wearing a traditional firefighters' happi coat attends a memorial service for firefighters at Sensoji temple in Tokyo's downtown of Asakusa May 25, 2015. (Photo by Issei Kato/Reuters)