#PPOD: Taken in 2016, this stunning composite photo shows the Milky Way stretching above the Isar River in Germany as well as the stunning landscape beneath the river's surface. Photographer Johannes Holzer used a star tracker to capture the night sky and a Sony A7r in a water-case to get the underwater scenery. Both exposures took 300 seconds. We think you'll agree that the result is beautiful. Credit: Johannes Holzer

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