That blue hour sunset at West Baray Water reservoir in Siem Reap.

This man-made reservoir measures 2,1 x 7,8 kilometers and are secured by 12 meter tall earthen dikes. At maximum filling it contains 53 million m³ / 53 billion liters of water.

Almost a thousand years after being built, it is still one of the largest handcut Water reservoirs on earth.

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