Japanese soldier continued to wage war, hiding in jungle, for nearly 30 years after the

Japanese soldier continued to wage war, hiding in jungle, for nearly 30 years after the end of WW2. (title from reddit)
The soldier passed away at the age of 91 in 2014

True dedication

Upon his return to Japan he was quoted as walking past his former brethren and muttering: “fucking casuals.”

So that dude in the middle is 91 years old? Where did he live? The fountain of youth?