caption: 1976 Water wall This water tank was the first rectangular water wall, Mass floor, solar orientation and overhangs for solar control.
exif: {"Image DocumentName": "1976 Water wall This water tank was the first rectangular water wall, Mass floor, solar orientation and overhangs for solar control.", "Image ImageDescription": "Also 3 tank ICS solar water heater. Energy use 90% below average.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}