thejaan:
Old air raid tunnel
thejaan:
Optimal light for hydroponics
thejaan:
LED detail
thejaan:
LED
thejaan:
Recycling
thejaan:
UV water purification @ every cycle
thejaan:
Main cell / high tech
thejaan:
Future
thejaan:
Stairs
thejaan:
WWII bomb shelter
thejaan:
Possible future metro station
thejaan:
Creepy tunnel
thejaan:
London underground bomb shelter
thejaan:
Growing operation
thejaan:
Ventilation x lighting
thejaan:
Clapham