Rainbow over Avenida dos Aliados showing city hall on the left. . . . . #rainbow #plaza #porto #portocool #igporto… https://t.co/ER1T2u191Y Posted on November 30, 2018 Rainbow over Avenida dos Aliados showing city hall on the left. . . . . #rainbow #plaza #porto #portocool #igporto… https://t.co/ER1T2u191Y