nandhainslice™ on Instagram: "In july 2018, just after the rainy season ended and the heat returned, a group of friends in puerto rico decided to cool off with a river-rafting trip on the isabela river. it was supposed to be a fun weekend adventure—fast currents, dark tunnels, and the thrill of shooting out into bright open water. as they filmed their ride, the group laughed and cheered while the raft sped through a long, tunnel-like passage. once they came out into the river again, the camerama