I've been here back in July 2015 with local colleagues during the biz trip in Nagasaki, at that moment I didn't have much feeling and I don't know the explanation from guide cause I don't know Japanese, but now in 2021 the feeling is very complicated, I don't know if have the chance to visit this "lost world" for 2nd time, appreciate my colleagues have arranged this special trip to Gunkanjima island…