47.5 MB (2.5 MB compressed)
4992 x 3328 pixels
42.2 x 28.2 cm ⏐ 16.6 x 11.1 in (300dpi)
MARK TURNBALL / SCIENCE PHOTO LIBRARY MARK TURNBALL / SCIENCE PHOTO LIBRARY
Running machines. Woman adjusting the controls on a running machine in a gymnasium. The controls on these running machines can be used to adjust the incline and speed of the running surface. The screen also displays the user's heart rate and how many calories they have burned.
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