porto, portugal - september 17, 2023. view of the old town and tower of clerigos. cloudy day

artistic tiles baroque churches city bridges clerigos tower colorful facades douro river cruise valley vineyards historic neighborhoods streets lello bookstore local cuisine port wine tasting cellars porto landmarks nightlife charm exploration life views walk cityscape cultural experience heritage events festivals sites lifestyle scenic beauty street scenes tourism travel destination guide urban portugal portuguese architecture ribeira district riverside art unesco world site renewal