Photographer Marianne Kjølner snapped this pair of photographs of a bizarre tree in Denmark - West coast, a very windy place were there isn’t much that can grow. So the tree can only grow where it has shelter.
A green roof, or 'living roof' really helps regulate the temperature of a house or building, keeping it cooler in the summer and warmer in the winter. You can even graze your goats on them! Indeed: goats can climb ladders, they are quite agile!