Introduction to theatrical performances: The large-scale real-life performance "A Bright Moon on the Sea", which is staged on time every night in the park, relies on nature, uses sea reefs as elements, and uses high-tech means of sound, light, and electric lights to express romantic beauty. The form, using modern and fashionable expression techniques, embodies the harmonious coexistence between man and nature, creating the realm of unity between nature and man, thus leaving people with a grand and shocking artistic enjoyment and beautiful visual impact, making it a popular place with Hebei Provincial and even national cultural brand.