Faro, BW sidewalk in BW

THE PORTUGUESE PAVEMENT OR PORTUGUESE MOSAIC OR CALÇADA-MOSAICO IS THE ESTABLISHED NAME OF A CERTAIN TYPE OF FLOOR COVERING USED ESPECIALLY IN THE PAVING OF PAVEMENTS, PUBLIC SPACES, AND PRIVATE SPACES, IN GENERAL. THIS TYPE OF PAVEMENT IS WIDELY USED IN PORTUGUESE-SPEAKING COUNTRIES.
IT BEGINS ON 20 AUGUST 1498 AND 8 MAY 1500 WITH ROYAL LETTERS SIGNED BY KING MANOEL I.