© 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 Rua de Belomonte Art Nouveau in Porto Porto - City Centre Block Porto - Houses behind the Ribeira Praca da Ribeira - Porto Majestic Cafe - Porto