Interesting read. https://www.designboom.com/design/invasive-species-of-mussels-blue-zebra-glass-07-22-2020/?fbclid=IwAR2z4uTebmDur6ogWln29xP8Da7RnRGZUdTZkeeJ3HYdl_z7_5y_kT7p7dY