public, since they usually serve for the monitoring of sensitive ranges. However watch towers can be quite ordered for forest fire monitoring a platform accessible for the public or be used during times without forest fire risk as observation towers. Shut down watch towers can however be easily converted to observation towers.

Radio towers

Some radio towers were so built that they can be used, apart from their function as transmitting tower, as observation tower. A condition for this is a sufficiently stable construction, which

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