Ceremonial installation, comprising a movable object (1), provided with an energy source (4) and a device (6) for actuating the energy source, linked to a computer memory, a programmer (8) of the actuation device and an interface (2) between the programmer and the memory, the actuation device being controlled by a physical separation of the object (1) from a support (2) and/or a physical contact of the object with said support, after said separation and/or a physical and/or chemical parameter of the object or of the environment of the object and/or a defined spatial position of the object.