https://uk.news.yahoo.com/photos/incredible-pictures-moscow-metro-stations-132800209/majestic-colourful-stations-taganskaya-very-photo-132800276.html

Moscow tube stations...'this one' reminds me of the chessboard in 'alice through the looking glass'....

how odd...colour-pattern recognition kicking in...that police sign image...in the post below....