patagonia nasa upsala glaciares glaciar glacial retroceso hielo ghiacciaio advierte evidence spazio argentinos perdido kilómetros derretimiento ritira spettacolari emozionanti stazione
glacier upsala argentina nasa patagonia gov patagonian space earthobservatory 2009 melting icefields beauty credit iotd seen php october jpeg acquired
eorc jaxa glacier retreat jakobshavn
mendenhall retreat glacier glaciers jaxa eorc juneau ice
upsala glacier leggero michael photograph horizontal 11th uploaded july which