The word diorama /ˌdaɪəˈrɑːmə/ can either refer to a 19th-century mobile theatre device, or, in modern usage, a three-dimensional full-size or miniature model, sometimes enclosed in a glass showcase for a museum. Dioramas are often built by hobbyists as part of related hobbies such as military vehicle modeling, miniature figure modeling, or aircraft modeling.
The current, popular understanding of the term "diorama" denotes a partially three-dimensional, full-size replica or scale model of a landscape typically showing historical events, nature scenes or cityscapes, for purposes of education or entertainment.
This is ToysCity 1/6th scale Diorama series - Road culvert scene for 12-inch action figures
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Red Diorama "I shot the bus driver" scene: Recreate opening scene from The Dark Knight - posted on my toy blog HERE
Red Diorama "Throne" scene: the perfect setting for Loki, god of mischief, adoptive brother of Thor (pics HERE)
Unbelievable IHNS TOYS SO-00001 1/6th scale The Cave scene platform - diorama of dioramas! posted HERE