Hourglass in hand of scientist, conceptual image of passing time. — Stock photos

"Hourglass in hand of scientist, conceptual image of passing time." is an authentic stock image by ScienceRF. It’s available in the following resolutions: 1067 x 1600px, 1733 x 2600px, 3420 x 5130px. The minimum price for an image is 49$. Image in the highest quality is 3420 x 5130px, 300 dpi, and costs 449$.