Hourglass. Grains of sand fall from the upper to the lower glass bulb, measuring a fixed length of time. Hour glasses were first used by the Romans in about 1 BC.

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Details

Creative#:

TOP10190222

Source:

達志影像

Authorization Type:

RM

Release Information:

須由TPG 完整授權

Model Release:

N/A

Property Release:

N/A

Right to Privacy:

No

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