The management server 2 acquires sensing information obtained by the UAV 1 sensing, from the sky, scatter area where a colcothar is scattered on a mountain climbing route, identifies a state of the colcothar on the basis of the sensing information, and ide...

The unmanned vehicle for delivering an article, includes a housing portion for housing the article, the housing portion having an opening portion for receiving the article and being provided with an openable and closable door that is closeable on the openi...