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		 How is your swimming skills?  Zero impact, easy to ramp up/down, and a good workout for endurance. 
 
Two big advantages: the scenery can be nice, and you can swim as easily in the winter as the summer. 
		
		
		
		
		
			
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				Last edited by JHVH : 10-29-4004 BC at 09:00 PM.  Reason: Time for a rest.
			 
		
		
		
		
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