Forums 📱 Mobile Gaming iOS Games Will Tide Engineers... Notifications Clear all Will Tide Engineers Design Underwater Tunnels Reinforced With Coral, Withstanding Ocean Pressure for Coastal Cities? iOS Games Last Post by Nick 8 months ago 1 Posts 1 Users 0 Reactions 53 Views RSS Nick (@nick) Posts: 17179 Illustrious Member Topic starter Engineers use marine life that strengthens, but the coral erodes. Will you design them… or concrete? Posted : October 30, 2025 5:12 pm Topic Tags Fantasy Engineering Nature Share: Share Tweet Share ««