On your last day, engage in some outdoor activities before departing from Simatai. Start the day with a refreshing morning hike to watch the sunrise over the Great Wall. This magical experience will leave you with unforgettable memories. Afterward, you can try your hand at some adventurous activities like zip-lining or paragliding, which offer a unique perspective of the Great Wall and its surroundings. If you prefer a more relaxed day, you can opt for a leisurely boat ride on the nearby Miyun Reservoir. Finally, bid farewell to Simatai and head back to Beijing or your next destination, taking with you the memories of this incredible trip.