Agrega una trama en tu idiomaThis series entry starts on a beach. A large vehicle that looks like a road grader is actually more like a Zamboni machine for sand. As it moves along the beach, it digs into the sand and re... Leer todoThis series entry starts on a beach. A large vehicle that looks like a road grader is actually more like a Zamboni machine for sand. As it moves along the beach, it digs into the sand and removes all manner of dangerous items, such as broken glass, pieces of metal and wood, and d... Leer todoThis series entry starts on a beach. A large vehicle that looks like a road grader is actually more like a Zamboni machine for sand. As it moves along the beach, it digs into the sand and removes all manner of dangerous items, such as broken glass, pieces of metal and wood, and discarded food containers. We then visit a government laboratory to see how corundum and ma... Leer todo
