Rosalind was terrific … personable, extremely knowledgeable and caring. She geared her tour to our senior walking pace with lots of insight and behind the scenes tidbits about the various highlights. Lots to see in Mayfair in a relatively small area with easy walking on crowded streets and roads behind the mansions. Each stop included a memorable insider history lesson. We'll book with Rosalind when we return to London next year. Great value! Thanks, Rosalind!