Shanghai, also called in short in Chinese "Hu" or "Shen", situated in the middle of China's east coastline, is a gate to the Changjiang River valley. Shanghai has a delightful climate with four distinct seasons. The average temperature of the year is 15.7 ℃. It is the largest economic and trade center in the country and a comprehensive industrial base. Shanghai Port is the leading port in China. It is an open city along the coast, as well as a famous historical and cultural city. Its total population is over 13 million. Shanghai is well-known both at home and abroad not only for its prosperous metropolitan feature and rich humanistic resources but also for a number of tourist attractions with modern flavor that have been developed in recent years. Varied and colorful tourist festivities, like the Shanghai Tourism Festival, the New Year Eve Longhua Temple Bell Striking, the Longhua Temple Fair, the Nanhui County Peach Blossom Festival, the International Tea Culture Festival, the Sweet Osmanthus Festival and the Orange Festival are attracting an ever increasing number of domestic and foreign tourists.