About the author: Sara A former Industrial Engineer, Sara left a tedious consulting job to do what she loves instead: writing, and telling stories. Currently, she is a blogger at Portoalities, a Q&A blog about Porto and North of Portugal. She also organises private tours in Porto, Douro Valley and Braga & Guimarães. You can challenge her with your questions about Porto at sara@portoalities.com, and follow her latest adventures on @Portoalities Instagram.