Manuel AÃ±Ã² is one of the few people in the world who can film while free diving under ice. This winter, heâ€™s done about 60 dives in Quebec and Ontario, including dips in the St. Lawrence River. AÃ±Ã² collects samples for biologists who study certain lakes in Quebec. Together, theyâ€™ve made some surprising findings.
Meet the Filmmaker Who Free-Dives Under Ice | CBC News