October 23, 2025The adjustment and lock system of one of the iron belts that helps hold the structure of the Colosseum together. I could not find the date of its installation. Significant reinforcement campaigns took palace around 1807–1820 and continued at intervals throughout the 20th century. [1678×1280] [OC]
October 23, 2025Four-Door Pagoda at Shentong Temple. Jinan, China, Sui dynasty, 7th century AD [1870×1536]