Cellist and humanitarian Yo-Yo Ma speaks about the “edge,” the natural or cultural place where environments intersect, as one that always has more life forms and new life forms. Bach taught him to balance going to his center and to the edge. In cultural interactions and dialogue, it’s good to be centered and it’s also good to reach out, edge to edge, to touch something new. Photos by Julie Hilton Danan, Israel, 2018. Return to the Gateway of the Sea.