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. 2020 Jun 23:23–45. doi: 10.1007/978-981-15-5936-5_2

Fig. 2.16.

Fig. 2.16

UAVs are used for benevolent purposes during COVID-19 lockdown; a virtual tour of deserted streets in Chicago; b delivering medical samples; c delivering toilet paper in time of urgency and d delivering car keys in car rental business