Who knew air could be optional, and that time spent without it could be optimal? Enter the world of freediving. In this sport, time expands and lungs contract. The mind reaches a point of stillness and your body suspends in a vast bubble of blue. Here, I trailed alongside these two dolphins at the ocean floor and steadily glided up beside them, silently knowing there was no rush to the surface and enjoying the last few seconds beneath the surface before the three of us would breathe deeply, preparing to extend our dive times on the next round.