The phrase "art gone" can be replaced with various synonyms that capture the meaning of art disappearing or being lost. Some of these synonyms include "vanished art," "lost art," "perished art," "extinct art," "disappeared art," and "dissipated art." These synonyms highlight the idea that art can be lost in many ways, such as through destruction, neglect, or simply being forgotten over time. They also emphasize the importance of preserving art for future generations. By using these synonyms, individuals can add variety and depth to their writing while conveying the powerful message of the importance of valuing and protecting art.