the more fair & crystal is the sky, the uglier seem the clouds that in it fly
Henry Bolingbroke, Duke of Hereford
King Richard Ⅱ by W Shakespeare
seen from United States
seen from Malaysia

seen from United Kingdom

seen from Australia
seen from United States
seen from China

seen from Italy
seen from Türkiye
seen from China
seen from France
seen from China
seen from United States

seen from Türkiye
seen from China
seen from United States
seen from United States
seen from United States
seen from Malaysia

seen from United States

seen from Malaysia
the more fair & crystal is the sky, the uglier seem the clouds that in it fly
Henry Bolingbroke, Duke of Hereford
King Richard Ⅱ by W Shakespeare
Today I learned that, in combinatorics, a necklace is a torsor for a cyclic group, while a bracelet is a torsor for a dihedral group.