Astronaut Luca Parmitano captured from ISS Crimea (Crimean Peninsula) of which the possession is under dispute between Ukraine and Russia. The peninsula is connected to the Eurasia via 5-8km Isthmus of Perekop where the Sivash or “Rotten Sea”, a large system of shallow lagoons covers.

Credit: Luca Parmitano, ESA, NASA

The Syvash, also known as the Putrid Sea or Rotten Sea, consists of a large system of shallow lagoons on the west coast of the Sea of Azov. The Syvash is extremely shallow. The deepest place is about 3m, with most areas between 0.5-1m deep. The bottom is covered with silt up to 5m thick. Being very shallow, the waters in the Syvash heat up in the summer and produce a putrid smell. The wide area for evaporation also leaves the water extremely salty. The Syvash area is a wetland of international importance. In summer, the water level of Syvash decreases significantly, revealing barren solonets soils called “syvashes” by locals.

The local scenery on the ground is as follows. At the Sivash pink algae fourishes with salt and muddy ground is exposed.

Credit: Wikipedia

Reference: Luca Parmitano’s Tweet
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