For years, fans of Rafael Nadal and Roger Federer have spoken so highly of the tennis stars that you got the impression some folks believed the tennis stars could walk on water. Turns out they weren't too far off.
[Other amazing photos: Niagara Falls without water]
Over the weekend, the two best players in the sport kicked off the 2011 ATP season by hitting balls on a raised court in the middle of Doha Bay in Qatar. The tennis season officially begins on Monday with the start of the Qatar ExxonMobil Open.