Located in Southwest China, Chengdu is well-known as the Land of Abundance and the capital of the province of Sichuan. With a population of over 12 million, it is the fifth most populated city in China. According to the State Council, Chengdu is the most important center of science and technology, trade and finance, the most important hub of transportation and communication in the southwestern part of China.

With its 2,300 years of history, Chengdu has become a major tourist destination that promotes some famous attractions such as the Panda Research Centre, the Dujiangyan Irrigation System, the Mount Emei and the Wolong Nature Reserve……

Chongqing, located in Southwest China, is one of China's four province-level municipalities (Beijing, Tianjin, Shanghai and Chongqing), having an area of 82,402.95 square kilometers and a population of about 32 million. Its area is close to Austria’s area, and its population is more than the Iraqi population. The world map hung in the hall of the United Nations only marks four Chinese cities, including Chongqing. Meanwhile, Chongqing, Beijing, Tianjin, Shanghai and Guangzhou together are called the top five central cities in China. Chongqing is the main hub to connect West and East China.In 2010, Chongqing boarded the cover of the U.S. magazine The Economist and was called "Chicago of the East".  Chongqing has many ……

The city of Xi'an, also known as Chang'an in ancient times, is one of China’s oldest cities with a history of more than 6,000 years. In addition Xi’an had once been the capital and the political, economic and cultural center of China for more than 1,100 years.

Today, Xi'an is the capital of Shaanxi Province, one of China's six central cities, and a major base of research, higher education, defense industry and high technology in central and western China, and one of China's most important aerospace and aviation industrial, machinery manufacturing and textile industrial centers. Since the 1990s……