Add This Mark - Trademark Free Zone http://addthismark.com/story.php?title=trademark-free-zone-3580 Underwater swimming made its one and only appearance at the Olympics in Paris 1900. Zurdo, M. I. T.; PiƱel, R. M.; Cantera, J.; Barbadillo, T.; Presa, F.; Matyjaszczyk, A. Sun, 30 Jun 2019 12:36:15 UTC en