These dunes at located at the base of a crater’s central peak, and their dark color is a stark contrast with the bright floor of the northern part of the crater, located near Nilosyrtis Mensae.

ID: ESP_055475_2150
date: 28 May 2018
altitude: 292 km

https://uahirise.org/hipod/ESP_055475_2150
NASA/JPL-Caltech/University of Arizona
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