[Source]
greek firm have designed 'blossoming dubai' for their proposal for the zaabeel park tall emblem structure competition.they based their design on the form of a blossoming flower. the tower is equipped with two elevators running on spiral rails (spiral of the most simple geometry turning 135 degrees while ascending 138 meters). these lifts ascend from lower ground floor (where the visitors enter) to the cafeteria level and the viewing platform above. apart from the previously mentioned elevators that can cover all visitor access (including disabled access), there are also two staircases fitted in the spiraling elements of the building. the latter can be used on an emergency case.[Source]