Astronaut Luca Parmitano captured from ISS Represa Boa Esperança Reservoir, Brazil.

The Boa Esperança Reservoir is a reservoir in Brazil built on the Parnaíba River. It supplies water to the Boa Esperança Hydroelectric Power Plant, a hydroelectric generation plant that provides energy to the state of Piauí. Previously, the plant was called the President Humberto Castelo Branco Hydroelectric Power Plant, but it was recently renamed to Boa Esperança. The reservoir is located in the mid-course of the Parnaíba River, at 742.1km, in a stretch that forms the border between the states of Piauí and Maranhão.
The local scenery on the ground is as follows.


Reference: Luca Parmitano’s Tweet
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