沙漏在黑色背景上的特写 Hourglass close up on a black background seen from above

白色沙漏在黑色背景上从上方靠近，沙子穿过连接器孔，在沙子中心形成一个小孔。

White hourglass close up from above on a black background, as the sand falls through the connector hole, making a small hole in the center of the sand.