The world's largest Swiss flag (80x80 metres) is unfurled every year on National Day, August 1, in Säntis, in eastern Switzerland.

Keystone / Ennio Leanza

“The Swiss flag is a big plus” goes the old joke. It also has several strengths – and quirks – that go far beyond that of resembling an addition sign.

Generated with artificial intelligence.

This content was published on