Powering them is one of the greater engineering challenges that we had to deal with, because powering a cell phone under a tree canopy, any sort of solar power under a tree canopy, was an as-yet-unsolved problem, and that's this unique solar panel design that you see here, which in fact is built also from recycled byproducts
Cargarlos es uno de los mayores retos de ingeniería al que nos enfrentamos, porque cargar un móvil bajo la copa de un árbol con energía solar, era un problema aún sin resolver, y este es el panel solar, único en su tipo, construido con derivados reciclados de procesos