Fig. 1From: New archaeobotanical evidence for Medicago from the Astana Cemetery in Turpan, XinjiangLocations of the Astana Cemetery, Zagunluk Cemetery and Xuanquanzhi Site. The yellow lines show the main routes of the ancient Silk Road. The base map was from https://www.ncei.noaa.gov/maps/bathymetry/Back to article page