Paris 3-hour walking tour

We propose 3 different walking tours: — Through the Paris isles: Ile Saint-Louis and the Ile de la Cité, Notre-Dame Cathedral, Sainte-Chapelle and Conciergerie. — Through Marais districh: luxurious buildings, historical landmarks, small exclusive shops, Place des Vosges — Montmartre: go on to of the hill, visit small shops and the Sacré-Coeur Basilica with a panoramic view