The Ambassadors (Holbein) viewer must approach the painting from high on the right side, or low on the left side, to see the form as an accurate rendering of a human skull. While the skull is evidently intended as a "vanitas" or "memento mori", it is unclear why Holbein gave it such prominence in this painting. One possibility is that this painting represents three levels: the heavens (as portrayed by the astrolabe and other objects on the upper shelf), the living world (as evidenced by books and a musical instrument on the lower shelf), and death (signified by the skull). It has also
Afrasiab painting Marshak points out that Sogdian painting, gods are always depicted on the top of the main wall. However, as the Turks are guiding the embassies but are not themselves ambassadors, it has been suggested also that the Turkish Qaghan, then lord of inner and central Asia, might be depicted there. A Chinese text is indeed saying that the idea of the "Four Lords of the World", here China, India, Iran and Turks, is depicted on the walls of palaces near Samarkand precisely during this period, and this would perfectly fit the four walls of this room. The last hypothesis makes