Abstract: Crane arm, preferably to be employed on pillars, comprising a plurality of connecting links, each connecting link exhibiting a predetermined height, preferably being oriented in the direction of the force of gravity, whereby each connecting link in a longitudinal direction, preferably rectangular to the direction of the force of gravity, exhibits a first end portion and a second end portion, and at the first end portion provided with at least one first means for providing a rotary connection with a successive connecting link and at the second end portion provided with at least one second means for the receiving of the first means for providing a (the) rotary connection with the preceding connecting link enabling rotation in a direction around the pillar preferably being oriented rectangular to the direction of the force of gravity.