© All Rights Reserved The wonderful Art Nouveau facade of the Pérola do Bolhão delicatessen on Rua Formosa in the heart of Porto.The shop was once a tea shop, hence the Cha on the sign - yes that's where the British get the expression cup of 'cha' from!Related images Old Window - Entre Quintas - Porto Douro - Near Entre-os-Rios Avenida dos Aliados Corner Building - Porto Porto Rooves and Church Palacio da Bolsa interior Building on Rua do Rosário - Porto