For collectors or researchers, copies from this year are often found through: Digital Archives
The 2021 edition focused heavily on "sustainable sun culture"—how to safely enjoy UV exposure, how to create solar oases in small urban spaces, and how to use sunlight for natural health. Unlike previous years that might have championed tropical getaways, the 2021 issue leaned into Heimsonnen (home sunning) and Ganzjahresbräune (all-year tanning) through responsible means. Sonnenfreunde Magazine 2021