2 ms·
See also "Why was Roman concrete so durable?" from January 2023: * https://news.ycombinator.com/item?id=34280239 https://news.ycombinator.com/item?id=34280239
by throw0101c 3y ago
See also "Why was Roman concrete so durable?" from January 2023:
* https://news.ycombinator.com/item?id=34280239 https://news.ycombinator.com/item?id=34280239