Some 500 wooden bricks were dropped into the waters of Lemvig in northwest Denmark on Thursday for a project aimed at mapping how rubbish moves about in the world's seas.

Watch as we create durable mud bricks using a handmade wooden mold measuring 10 x 30 cm. These bricks will be used to build a sturdy house using only natural materials. In the next video ...

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. Researchers looking to craft construction materials that are more environment-friendly ...