Sand will flow in an hourglass glass

, Berlin, Berlin, Germany - Sand rieselt in einer Sanduhr aus Glas und sammelt sich am Boden kegelfoermig. GT

Size: 2289px × 2362px
Location: Berlin, Berlin, Germany
Photo credit: © Ruffer / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: clock, cones, glass, hourglass, impermanence, kegelfoermig, measure, measurement, minutes, pile, sand, sandberg, sandkoerner, small, tick, time, trickles, unit, vertical