Hourglass with sand flowing in nature and spring water in the background. Close-up. Concept of time, ecology, relaxation, and peace.HD视频 - 高清视频素材下载 - 卓特视觉

会员专享Hourglass with sand flowing in nature and spring water in the background. Close-up. Concept of time, ecology, relaxation, and peace.

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生态学组织机构背景木材正在运行生产效率管理时间等待弹簧测量紧迫性复古变化流动截止日期环境平静坠落放松沙子休闲河流波浪规划概念自然特写镜头旅行早晨预期重要力矩水和平未来倒计时沙漏今天迟到提醒耐心点绿色通过进度灯光夏季太阳