Members of an environmental group wear gas masks as they hold signs after a press conference demanding the withdrawal of Japanese government's decision to release treated radioactive water from the Fukushima Daiichi nuclear power plant damaged in the 2011 earthquake and tsunami, near a building which houses Japanese Embassy in Seoul, South Korea, Friday, June 4, 2021. The letters read "Oppose to release the contaminated water." (AP Photo/Lee Jin-man)