Underwater Tunnel Swim

If you could swim in an underwater tunnel would you do it? What if you had to hold your breath from one end to the other without any opportunity to come up for air? That would be really scary and challenging. Fortunately, this isn’t a real situation but it would be very interesting to do an underwater tunnel swim. How long can you swim underwater without coming up for air? Music: “Slacker’s Anthem“ - Elias Näslin My name is Elizabeth. I started swimming when I was just a baby. Every week is a new advent