This article from the series of “Spotlights” for the department of Russian and East European Studies at The University of Pennsylvania is a look at The Najmeddin Kubra Mausoleum, which I visited myself on my “Silk route Journey” in 2012. It was one of the many historical sites I visited during my time in Uzbekistan.
You can see it direct here; https://rees.sas.upenn.edu/about/spotlight/najmeddin-kubra-mausoleum-uzbekistan