Less than 6 months before he died, Pope Francis ventured on one of the longest, toughest and most significant trips of his papacy: that to the South Pacific. ''A Violin at the End of the World'' is a photographic account of that journey obtained by systematically following Francis but consistently turning the camera 180 degrees away from him, to try and capture the world that disclosed in front of his eyes as he moved through it, by car, pope-mobile or wheelchair. Not surprisingly, the result is mostly human faces. The human face is the ultimate sum of every land and of every human encounter.