PROBLEM TO BE SOLVED: To provide an unmanned viewing system capable of unmanned viewing of a building without the need for the presence of a trader and suppressing damage to the inside of the building. An unmanned viewing system 1 is configured to be installable inside a building, and is connected to a viewing robot 3 having portability via a communication line to manage the viewing robot 3. The device 4 is provided. The viewing robot 3 includes an abnormality notification unit 341 that notifies the management device 4 of the abnormality via the communication line when the abnormality that has occurred inside the building is detected. The management device 4 includes an abnormality notification unit 411 that notifies the administrator of the abnormality when the abnormality notification unit 341 notifies the abnormality. [Selection diagram] Fig. 2
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