Looking through the arch of Porto's famous Dom Luis I bridge and to the Episcopal Palace beyond. The double decked metal bridge has a lower level for cars and upper level for trains and spans 172 metres across the River Douro. Completed in 1886 it forms the backdrop to Porto's Ribeira district.
The Paço Episcopal (Bishop's Palace) is the former residence of the bishops of Porto. Positioned just in front of the cathedral it dominates the UNESCO World Heritage Site skyline.
