Desert plants and ecosystems, rain water harvesting...
An Introduction to the Boyce Thompson Arboretum near Superior, Arizona
Narrated by Paul Wolterbeek, Staff Member at Boyce Thompson Arboretum
http://www.youtube.com/watch?v=MGNdNXKi1u0
Rain Water Harvesting
narrated by Kim Stone, horticulturist at Boyce Thompson Arboretum
http://www.youtube.com/watch?v=8l2PIxlRqr4
I loved my trip to Boyce Thompson Arboretum. This is a great place to visit and support.
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