You are looking at a lamp

This is a dark place, it has material _dark_.

This lamp and the fig have material _glowing_ so you can see them when you use the lamp.

Using the lamp toggle the _light_ material in the lamp. Technically any object in this location with _light_ will illuminate the whole room.

You can pose the clock as glowing and it too will show in the room when the lamp is not lit.
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