Gitta Wilén and Evelina Bång - two participants of the Wikipedia camp in Molkom, Sweden, 2018 - demonstrate how a book scanner works.
<a href="//commons.wikimedia.org/wiki/User:Sofie_Sigrinn" title="User:Sofie Sigrinn">Sofie Sigrinn</a>
<span class="int-own-work" lang="en">Own work</span>