© 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 Torre dos Clérigos detail Praia Caneiro - Porto View across the Douro to Porto Porto - Bishop's Palace and Luis I Bridge River Douro - Porto Foz do Douro Promenade