using air to push water - the old fashion way

duane hennon

gardener

Posts: 843

Location: western pennsylvania zone 5/a

posted 8 years ago

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pumps?!, we dpn't need no stinkin pumps!

http://phys.org/news/2016-04-uncovered-purpose-puquios-nasca.html

Researchers believe they have uncovered the purpose of puquios in Nasca

all this time we've been building herb spirals upside down

frank li

Posts: 600

Location: Michigan

posted 8 years ago

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Awesome!

Especially this,

"They note that some of the puquios were so well constructed that some of them are still in use today."

I agree. Here's the link: http://stoves2.com