Download Discharge canal sampling building of Unit 1-4 at Fukushima Daiichi Nuclear Power Station located around the ocean-side discharge canal (When fire was detected) (pictured on April 12, 2011) Discharge canal sampling building of Unit 1-4 at Fukushima Daiichi Nuclear Power Station located around the ocean-side discharge canal (After initial extinction) (pictured on April 12, 2011) Intake cana