What are the good three-to four-day tourist routes in Shandong Province on National Day?

On the first day, I took a bus to Yishui in Linyi, visited the Underground Grand Canyon, Tianwang City, Rainbow Valley, tourist area and Qi Great Wall, and stayed at New Century Hotel in Longgang.

The next day, I went to Wulian to visit Jiuxian Mountain, and then I went to Zhucheng to visit Dinosaur Park, Ma 'er Mountain and Weihe Park and stayed at Bansuyuan Hotel.

On the third day, I went to Qingdao, visited Laoshan Mountain, Little Qingdao, the first bathing beach, naval museum and stayed at Guidu Hotel.

On the fourth day, I visited Nanshan Giant Buddha, Kunyu Mountain, Penglai Pavilion and Long Island in Yantai.