Some ideas are in the wind (this one is literally). For several years I had a vision of a white flag, all colors washed out, as a symbol of overcoming the divisions. It is a symbol of no symbol, in a certain sense. Today I came across a project by Stefano Cagol:

The artist writes:

The white flag, white in which all colors of the flags of the different nations are at the same time united and cancelled. It is the sign against an absurdly conflicting society. It is a symbolic act, but at the same time totalizing in its essential purity.