360° panorama by Santiago Ribas - 360portugal.
Click the image to open the interactive version.

This 30m Tower, crowned with merlons and matac~aes, is the old keep of the medieval citadel built by D. Dinis, and concluded during the reign of D. Fernando. The citadel was demolished in 1905 at the initiative of the municipality, with great controversy, standing the Torre de Menagem and a cell that serves as the bell tower of the Church of Lapa

http://www.360cities.net/image/braga-medieval-keep-portugal