Millions of sunflowers were planted to soak up radioactive toxins. A truly spectacular sight! One of the biggest fields is Akeno Himawari Batake, located in Hokuto City, Yamanashi Prefecture. It also has nice mountainous scenery in the background. A huge field with around 1.5 million flowers is located on Hokkaido island. It's called Sunflower Field of Hokuryu, Himawari-no-Sato. There are also impressive fields on Shikoku island.