Stonehenge was constructed in three phases. It has been estimated that the three phases of the construction required more than thirty million hours of labour. Speculation on the reason it was built range from human sacrifice to astronomy.
1. Combine half of the ingredients for the shake flavor of your choice in the blender, and mix on high speed until smooth. Pour into a cup. Repeat for shake 2. Or use a blender and mix all ingredients on high speed until smooth. Stop blender, stir and blend again, if necessary to combine ingredients.