Japan has shrines to class A war criminals and "museums" dedicated to justifying Japanese imperialist aggression and whitewashing the atrocities of the imperial Japanese army all across Asia, including but not limited to denying/justifying the Nanjing massacre.

I found a YouTube link in your post. Here are links to the same video on alternative frontends that protect your privacy:

• yewtu.be
• inv.nadeko.net
• yt.artemislena.eu
• piped.video