Japan has taken coastal protection to an extraordinary scale—constructing a 395 km (246-mile) tsunami wall and planting over 9 million trees along its shoreline. This powerful combination of heavy engineering and natural defenses is designed to shield communities from tsunamis, storm surges, and rising sea levels. More than just infrastructure, it’s a long-term vision for disaster resilience, showing the world how eco-friendly solutions and large-scale planning can work together to protect lives