On the second day, venture out of the city and head to the stunning Na Hang Nature Reserve. This reserve is known for its breathtaking landscapes, lush forests, and pristine lakes. Take a boat trip along the Gam River and marvel at the majestic limestone mountains and crystal-clear water. Explore the diverse flora and fauna of the reserve by hiking through the trails. Don't forget to bring your camera to capture the picturesque scenery. In the evening, you can enjoy a peaceful dinner by the river and immerse yourself in the tranquility of nature.