September's 'Maintenance' update is now live! 🧑‍🔧⚒️🧰 This update features quality of life and maintenance changes, including increased gunshot audio distances, team sleeping bag labelling, updates to horse ragdolling, the new Exhibit Decor pack and much, much more! Read more on our DevBlog: https://rust.facepunch.com/news/maintenance | Play Rust

Roman concrete, known as opus caementicium, was developed around 300 BC using lime, volcanic ash, and aggregate. Modern studies reveal that small lime pieces within the mix, called lime clasts, react with water seeping into cracks to form new mineral crystals, effectively healing the structure. Modern concrete sets quickly and relies on steel reinforcement, which can rust and cause internal damage over time. In contrast, Roman structures like the Pantheon and aqueducts have withstood centuries o