根据给定的情境，为旅行准备一个行程计划。
在法国巴黎的七天假期。
Day 1: Explore the Eiffel Tower and Champs-Elysées Avenue
Day 2: Visit the Louvre Museum and Jardin des Tuileries
Day 3: Take a relaxing stroll through Montmartre and Sacré-Cœur Basilica
Day 4: Discover the Palace of Versailles and its beautiful gardens
Day 5: Marvel at the Gothic architecture of Notre-Dame Cathedral and Sainte-Chapelle
Day 6: Enjoy a boat ride on the Seine River and explore the Latin Quarter
Day 7: Visit the Orsay Museum and enjoy a picnic in the Luxembourg Gardens