“…UAVs are ideal suited for aerial surveillance [53,93] and tracking [78]. They are widely used for structural-monitoring [105] (and -inspection [104]), traffic-monitoring [53,68,78] (and -management [40]), environment monitoring [34,40,53,79,87] (e.g., for terrain [90] and vegetation [68,114] surveying, assessing ice/snow thickness [115] and ecosystem monitoring [68]), hazard monitoring (for e.g., gas [73], radiation [100] but also for wildfires [78] or forrest fires [53]) and weather monitoring [40], specifically atmospheric forecast [79] and wind [116].…”