Stock Photo - An employee of the Prague Public Transit Company (DPP) disinfects interior of the Prague metro (subway) wagon against coronavirus by a special substance based on titanium dioxide nano polymer, on March 25, 2020, in Prague, Czech Republic. (CTK Photo/Ondrej Deml)

Stock Photo: An employee of the Prague Public Transit Company (DPP) disinfects interior of the Prague metro (subway) wagon against coronavirus by a special substance based.

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