[Answer] Professional photographer Dax Justin visits the Canadian Rockies and five must-see Canadian national parks. He hiked to the Athabasca Glacier to see what?

Step 1 : Introduction to the question " Professional photographer Dax Justin visits the Canadian Rockies and five must-see Canadian national parks. He hiked to the Athabasca Glacier to see what? "

...1. the ice cave 2. polar bears 3. enormous king salmon 4. a mummified Ice Age man