Solar cell lenses give these shades a charge https://t.co/N6NUhj32bL https://t.co/9lqcAXJQKn #gogreen
— martinengwicht (@martinengwicht) August 2, 2017
from Twitter https://twitter.com/martinengwicht
learning by doing
Solar cell lenses give these shades a charge https://t.co/N6NUhj32bL https://t.co/9lqcAXJQKn #gogreen
— martinengwicht (@martinengwicht) August 2, 2017
from Twitter https://twitter.com/martinengwicht