as She Shan, lie to the southwest, and its highest point is the peak of Dajinshan Island () in Hangzhou Bay. Shanghai has many rivers, canals, streams, and lakes, and it is known for its rich water resources as part of the Lake Tai drainage basin. Downtown Shanghai is bisected by the Huangpu River, a man-made tributary of the Yangtze created by order of Lord Chunshen during the Warring States period. The historic center of the city was located on the west bank of the Huangpu (Puxi), near the mouth of Suzhou Creek, connecting it with Lake Tai and the Grand Canal. The central financial district, Lujiazui, has been established on the east bank of the Huangpu (Pudong). Along Shanghai's eastern shore, the destruction of local wetlands due to the construction of Pudong International Airport has been partially offset by the protection and expansion of a nearby shoal, Jiuduansha, as a nature preserve. Climate Shanghai has a humid subtropical climate (Cfa), with an average annual temperature of for urban districts and for suburbs. The city experiences four distinct seasons. Winters are temperate to cold and damp—northwesterly winds from Siberia can cause nighttime temperatures to drop below freezing. Each year, there are an average of 6.2 days with snowfall and 2.8 days with snow cover. Summers are hot and humid, and occasional downpours or freak thunderstorms can be expected. On average, 8.7 days exceed annually. In summer and the beginning of autumn, the city is susceptible to typhoons. The most pleasant seasons are generally spring, although changeable and often rainy, and autumn, which is usually sunny and dry. With monthly percent possible sunshine ranging from 34% in March to 54% in August, the city receives 1,895 hours of bright sunshine annually. Extremes since 1951 have ranged from on 31 January 1977 (unofficial record of was set on 19 January 1893) to on 13 July 2022 at a weather station in Xujiahui. Cityscape The Bund, located by the bank of the Huangpu River, is home to a row of early 20th-century architecture, ranging in style from the neoclassical HSBC Building to the Art Deco Sassoon House (now part of the Peace Hotel). Many areas in the former foreign concessions are also well-preserved, the most notable being the French Concession. Shanghai is also home to many architecturally distinctive and even eccentric buildings, including the Shanghai Museum, the Shanghai Grand Theatre, the Shanghai Oriental