Park City - Graham Watanabe took advantage of a sunny day to practice aerials, snowboarding off the aerials jump and landing in the pool at the Utah Olympic Park. The air bubbles coming up from the bottom of the pool help soften the athlete's landing.Park City - Ski jumper Jay Bowman-Kirigin working out on the trampoline at the Utah Olympic Park.; 6.15.2007Park City - Ski jumper Jay Bowman-Kirigin working out on the trampoline at the Utah Olympic Park.; 6.15.2007Park City - Athletes took advantage of a sunny day to practice aerials, skiing off the ramp into the pool at the Utah Olympic Park.