Busan is surrounded by Luohu District, Yantian District and Longgang District. The main peak is as high as 943.7 meters above sea level, which is the highest point of Shenzhen's geographical location. Busan is located on the seaside, which is in the same vein as the mountains in the New Territories of Hong Kong. From the seaside, looking up at Busan, the mountain is particularly upright and spectacular. The mountains are often cloudy and foggy, changing incomprehensible; the temperature difference between the top of the mountain and the city is large, and the summer is cool and pleasant.