As trained tour guides, we have worked with some of the most outstanding guides in the world and Lydia was right at the top. She was timely, thorough and very personable and had such a wealth of knowledge, we were able to ask all our questions and never stump her. She even responded to an email question a week later which we had forgotten to ask her during our tour. And her answer was just as thorough and knowledgable as the day we spent with her. Just can't rave enough. Hire her'