I compare symbolically CO2 and Covid 19 with snakes, their quiet coming and danger. There is no way to prevent especially the CO2 from penetrating, it penetrates and damages everything, not always immediately, often much later, as shown here with the CO2 snakes
see: Corona-art "Youtube: Art during the shutdown, Gabriela Drees-Holz, https://www.youtube.com/watch?v=VOlS9bSTNzU
Material: metal, fabric, wire, wool
A discarded metal kitchen part is completely crocheted with brown wool. A long brown and black wired fabric snake approaches the frame and climbs up it.