2021-02-26 15:35:18 GMT2021-02-26 23:35:18(Beijing Time) Xinhua English BERLIN, Feb. 26 (Xinhua) -- Deutsche Bahn (DB) is testing an autonomous cleaning machine at Frankfurt am Main central station, the German state-owned railway company said on Friday. The robot, built by the Berlin-based startup Spring Mobility, can sweep floor surfaces and neutralize viruses using ozonated water, according to DB. A natural disinfectant, ozonated water is known to be highly effective in combating coronaviruses and bacteria. "Clean stations make a significant contribution to the well-being of all travelers and guests," said Leif Niklas Wulf, manager at Frankfurt Central Station, in a statement. "With the robot, we are testing an innovative way to support and relieve our cleaning staff."