Unknown Mausoleum-2
Unknown Mausoleum-2 (Nameless mausoleum-2) is an architectural monument in Samarkand and is part of the Shah-i-Zinda ensemble. It was built in the 90s of the 14th century. In some sources, the monument was called Ulug Sultanbegi.
Monument data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).