these days, leonidas and paneota feed guests as if they're family.is all ours, as our enthusiastic cook welcomes us into his kitchen. so, what are we cooking? cook lamb with roast potatoes. grilled shrimps with an oil lemon sauce. calamari with a garlic sauce. very good. spanakopita -- spinach pie. eggplant and then beets. steves: and before we know it, leonidas has us all sitting at the table, and he starts bringing in wave after wave of his fabulous dishes. here we go, the shrimp. grilled shrimps with the oil lemon sauce. yasous. [ laughter ] this is rainwater .. collected from the roof and sent through underground pipes into this 1500 gallon tank rainwater collected from the roof flows through the gutters and into the underground pipes. then these hoses. carry water from the cistern to the plants. harvesting rainwater cuts down on run-off into the sewers & could save an average of 50% on your water bill! now that makes sense.