Birkenwerder, Germany. 04th July, 2017. Co-workers of Christina Graetz, certified biologist and CEO of the company Nagola Re GmbH, load bags filled with anthills in a forest at the Autobahn A10 near Birkenwerder, Germany, 04 July 2017. Photo: Patrick Pleul/dpa-Zentralbild/dpa/Alamy Live News Stock Photo