This video explains how to prune an olive bonsai tree properly. the olive tree used in the video is an europaea tree bought from an exclusive bonsai tree company. The way the tree is pruned are by cutting the tree so that that it has an upward shape to stimulate vertical growth. It is explained that a process known as "cut and grown" are used with the olive tree because it makes the tree grow much faster and produce more fruit. Any branches or leaves that are unnecessary to the vertical growth of tree must be removed to give the tree more growth energy as explained in the video.