Fukushima nuclear facility prepares to release radioactive water into the sea after diluting it.

At the tsunami-ravaged Fukushima Daiichi nuclear facility in Japan, enormous blue pipes have been installed to bring in torrents of seawater to dilute treated, radioactive water in preparation for its gradual discharge into the Pacific Ocean.

Friday was a rare opportunity for Associated Press journalists to view critical equipment and facilities in preparation for the forthcoming release, which is anticipated to occur within the next....