Kawazu-zakura in Mizumoto Park (水元公園 Mizumoto Kōen) in Katsushika Ward, Tokyo. Kawazu-sakura cherry blossoms are famous as one of the earliest-blooming in the Kanto region. Forgot my camera, therefore just an iPhone shot.
Hokusai: 'In the Hollow of a Wave off the Coast at Kanagawa'
Katsushika Hokusai is probably best known for his landscape pictures. By far his most famous works are his 36-picture set "Mt Fuji Views", produced in 1827.