- Currentsofwarmairkeepthehang-glidersaloft.SugarglidersarenocturnalandnativetoAustralia.Currentsofwarmairkeepthehang-glidersaloft.Ihadrecentlywrittenanarticleontheflightcapabilitiesofhanggliders.Chanute'sglidersweresostablethattheymade2,000flightswit...
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