The "eggs" remind me of the round stones found in glacial mills http://www.gletschergarten.ch/Garten.4.0.html http://www.gletschergarten.ch/Garten.4.0.html htt

The "eggs" remind me of the round stones found in glacial mills http://www.gletschergarten.ch/Garten.4.0.html http://www.gletschergarten.ch/Garten.4.0.html http://www.igsoc.org:8080/journal/1/9/igs_journal_vol01_issue009_pg488-490.pdf http://www.igsoc.org:8080/journal/1/9/igs_journal_vol01_issu...