What is a darkroom for?

A darkroom is a room with shading equipment.

The darkroom is the bedroom formerly called maternity. A room with shading equipment can be used to handle photographic plates.

darkroom also refers to a hotel darkroom. It refers to a room with poor orientation, insufficient indoor light, no windows or windows but poor lighting conditions, small room space and slightly worse indoor equipment than other rooms in the hotel. Generally, according to the different room types of each hotel, it is decided which rooms are used as darkrooms, so as to carry out special sales. Of course, there are also some hotels whose darkrooms are not for sale, but only for internal reserves.