Stock Photo - The presentation of unique monitoring system able to find source of potential radiation with a drone was held in Trebic, Czech Republic, on Thursday, February 8, 2018. The system was developed by Nuvia company. (CTK Photo/Lubos Pavlicek)

Stock Photo: The presentation of unique monitoring system able to find source of potential radiation with a drone was held in Trebic, Czech Republic, on Thursday, February 8.

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