From the field, with love

https://creativecommons.org/licenses/by/4.0/
© Tim Burger, Usman Mahar, Pascale Schild, Anna-Maria Walter (eds.). This work is licensed under the Creative Commons Attribution 4.0 (BY) license, which means that the text may be remixed, transformed and built upon and be copied and redistributed in any medium or format even commercially, provided credit is given to the author. Creative Commons license terms for re-use do not apply to any content (such as graphs, figures, photos, excerpts, etc.) not original to the Open Access publication and further permission may be required from the rights holder. The obligation to research and clear permission lies solely with the party re-using the material.
https://creativecommons.org/licenses/by/4.0/