Blue could also mean dark green, violet, black or brown. The ancient Greek word for a light blue, "glaukos", also could mean light green, grey, or yellow. The Greeks imported indigo dye from India, calling it indikon. They used Egyptian blue in the wall paintings of Knossos, in Crete, (2100 BC). It was not one of the four primary colours for Greek painting described by Pliny the Elder (red, yellow, black, and white), but nonetheless it was used as a background colour behind the friezes on Greek temples and to colour the beards of Greek statues. The Romans also imported indigo
Olympic symbols human figures representing the cultural heritage. The first major mascot in the Olympic Games was Misha in the 1980 Summer Olympics in Moscow. Misha was used extensively during the opening and closing ceremonies, had a TV animated cartoon and appeared on several merchandise products. Nowadays, most of the merchandise aimed at young people focuses on the mascots, rather than the Olympic flag or organization logos. The Olympic movement is very protective of its symbols; as many jurisdictions have given the movement exclusive trademark rights to any interlocking arrangement of five rings, and usage of the word "Olympic". The rings are