Quiz: Remember the definition of mal de mer?
three-dimensional exhibit, frequently housed in a cubicle and viewed through an aperture. It usually consists of a flat or curved back cloth on which a scenic painting or photograph is mounted. Flat or solid objects are placed in front of the back cloth, and coloured transparent gauze or plastic drop curtains are used to heighten the three-dimensional effect. A considerable improvement in perspective is achieved by the addition of stage borders or wings. The rigorous application of the laws of perspective is essential to the success of the exhibit. The skillful use of lighting also heightens the effect