There is a wonderful plant bank here in Sydney, Australia. Lots of thick mud walls and other sophistications to outlast weather and similar incidents. https://w

There is a wonderful plant bank here in Sydney, Australia. Lots of thick mud walls and other sophistications to outlast weather and similar incidents. https://www.botanicgardens.org.au/our-science/science-facilities/australian-plantbank/visit-plantbank https://www.botanicgardens.org.au/our-science/science-facili...