: The platform in question appears to be iMGSRC.RU. This seems to be a site where users can upload and share images.
"They were my grandchildren," she said. "We used to hide things for one another, to remind ourselves that someone would notice. I found the notes long after they were grown. I wanted them to know they had been small heroes once." : The platform in question appears to be iMGSRC
If you are looking for this specific content, you can generally find it by appending the album numbers to the site's URL structure. However, please be aware that as a public hosting site with minimal moderation, content can vary widely in nature and quality. : The platform in question appears to be iMGSRC