"Giant solar flower" is actually very simple, that is, solar energy into electricity for people to use, you can charge for portable digital devices, along with free WIFI Internet access. A giant solar energy plant has been installed at Boston's Prudential Plaza and will be installed in New York, Chicago, Seattle, San Francisco and Los Angeles. More and more digital devices are on the go, and it is a troublesome thing to go out and charge for digital devices. Today, this is a good use of green energy, and it solves the problem of digital devices charging, that is, resting public benches. You can charge digital devices. No electricity in the era of high technology can't.