6 ms·
The tubes are not that narrow, but Velux makes "sun tunnels" to bring natural light inside buildings : https://www.velux.com/products/sun-tunnels https://www.v
by tkp 8y ago
The tubes are not that narrow, but Velux makes "sun tunnels" to bring natural light inside buildings :
https://www.velux.com/products/sun-tunnels https://www.velux.com/products/sun-tunnels