A staff member of the Austrian Post stamps a Mini FFP2 mask special stamp in Vienna, Austria, on Sept. 16, 2021. The Austrian Post issued a Mini FFP2 mask special stamp on Thursday, aimed at reminding people about using FFP2 masks to help protect against infection. (Xinhua/Guo Chen)
Austrian Post issues Mini FFP2 mask special stamp
Source: Xinhua| 2021-09-17 10:36:05|Editor: huaxia