Fig. 1: Location illustration of Cave 55 at Mogao Grottoes.
From: Investigation on gilding materials and techniques of murals in Cave 55 at Mogao Grottoes
a Nine-Storey Pagoda: the landmark building of the Mogao Grottoes. b Section and floor plan of Cave 55: The upper image shows a longitudinal section, while the lower image presents the floor plan, highlighting the spatial organization. Scale bar: 0–2 m. c Interior scene of Cave 55: it showcases key features such as the caisson ceiling, ceiling slope, entrance corridor, background screen, and main chamber with polychrome sculptural artifacts. d Local orthophoto of the southern area of Mogao Grottoes: it illustrates the geographical context and precise location of Cave 55 within the broader site.
