Old Sana'a Architectural Decorations Between Authenticity and Modernity is a research book that explores the ornamentation of the Old City of Sana’a, examining the functions and layered meanings of its architectural motifs, from the mythological to the cultural and social. Through the aesthetic analysis of form, the author aims to draw inspiration from these elements to produce contemporary digital designs, aiming to bridge authenticity and modernity and create a visual cultural continuum for future generations.