https://rekishinihon-files-wordpress-com.cdn.ampproject.org/i/s/rekishinihon.files.wordpress.com/2020/01/ainu_pair.jpg
https://www.researchgate.net/profile/Christopher-Loy/publication/282015467/figure/fig4/AS:330163670798340@1455728561824/Ainu-studying-abroad-at-the-school-in-Tokyo-1872-1873-Northern-Peoples-Collection.png