What is a good 5km time? World records, parkrun records and the average times for amateur runners and triathletes

Deb on Instagram: "Japan has launched one of the world’s most ambitious coastal protection projects by combining massive engineering with natural solutions. After the catastrophic 2011 Tōhoku earthquake and tsunami, the country built a 395 km (246 miles) long concrete tsunami wall to shield coastal towns from future disasters. These walls, rising up to 10–15 meters, are designed to absorb and reduce the force of giant waves, giving communities more time to evacuate and limiting damage to homes a

Cubic Meter | Definition, Formula & Conversion

Les unités de longueur et leur conversion