Sources:

Documentation :

Livre :

Images:

Japon 1 : https://www.google.com/search?q=Japon&hl=fr&gl=fr&tbm=isch&source=hp&biw=1920&bih=1019&ei=iVhhYfaWJcWRxc8P74S56Ak&ved=0ahUKEwi2_-aJ-rzzAhXFSPEDHW9CDp0Q4dUDCAY&uact=5&oq=Japon

Japon 2 : https://www.google.com/search?q=Japon&tbm=isch&hl=fr&gl=fr&chips=q:japon,g_1:tokyo:39IoUCqEOKI%3D&sa=X&ved=2ahUKEwin7qeR-rzzAhUMXxoKHQj7Cg0Q4lYoA3oECAEQFg&biw=1903&bih=1019#imgrc=ZdjMcAEfhxIupM 

Japon 3 : https://www.google.com/search?q=japon+cerisier+sakura&tbm=isch&ved=2ahUKEwixrKCY-7zzAhVCYBoKHcnwBxkQ2-cCegQIABAA&oq=Japon+cer&gs_lcp=CgNpbWcQARgEMgUIABCABDIFCAAQgAQyBQgAEIAEM

Japon 4 : https://www.google.com/search?q=japon+temple&tbm=isch&ved=2ahUKEwiAn5nr_LzzAhULMRoKHVYEAq0Q2-cCegQIABAA&oq=japon+temple&gs_lcp=CgNpbWcQAzIFCAAQgAQyBQgAEIAEMgUIABCABDIFCAAQgAQyBQgAEIAEMgYIABAFEB4yBggAEAUQHjIGCAAQBRAeMgYIABAFEB4yBggAEAgQHjoECAAQQzoICAAQgAQQsQM6BAgAEB5Qj6cCWMT5AmCthQNoAnAAeACAATqIAdMFkgECMTSYAQCgAQGqAQtnd3Mtd2l6LWltZ8ABAQ&sclient=img&ei=blthYYCwLIviaNaIiOgK&bih=1019&biw=1903&gl=fr&hl=fr#imgrc=o6a9HALRjo2T5M