[ad_1] <img style="display:none" title="" src="http://worldinnovationacademy.com/wp-content/uploads/2017/05/underwater-treadmills-look-like-a-lot-of-fun-but-they-cost-around-69000.jpg" /></a><br>[fb_vid id="654799588060764"]Underwater treadmills look like a lot of fun but they cost around £69,000. [ad_2] <br><a href="https://www.facebook.com/390864167780806/posts/592481440952410">Source</a>