A Christmas tree made of 19,000 used COVID-19 vaccine vials is seen at a vaccination center in Bucharest, Romania, on Dec. 6, 2021. (Photo by Gabriel Petrescu/Xinhua)
A Christmas tree made of 19,000 used COVID-19 vaccine vials is seen at a vaccination center in Bucharest, Romania, on Dec. 6, 2021. (Photo by Gabriel Petrescu/Xinhua)
A Christmas tree made of 19,000 used COVID-19 vaccine vials is seen at a vaccination center in Bucharest, Romania, on Dec. 6, 2021. (Photo by Gabriel Petrescu/Xinhua)
A Christmas tree made of 19,000 used COVID-19 vaccine vials is seen at a vaccination center in Bucharest, Romania, on Dec. 6, 2021. (Photo by Gabriel Petrescu/Xinhua)
