On this day, 54 years ago, December 7, 1971 (October 20, 1971 in the lunar calendar), China and the Republic of Senegal established diplomatic relations. Rose Lake in Senegal is intoxicating pink from a distance. Senegal is located at the westernmost tip of the western bulge in Africa. It is bordered by Mauritania to the north, Mali to the east, Guinea and Guinea-Bissau to the south, and the Atlantic Ocean to the west. The coastline is about 500 kilometers long. It has a tropical grassland climate, with an average annual temperature of 29¡æ and a maximum temperature of 45¡æ. The dry season is from November to June of the following year, and the rainy season is from July to October. In the 10th century AD, the Tukeliers established the Kingdom of Tekru, which was merged into the Mali Empire and the Songhai Empire in the 14th and 16th centuries. It became a French colony in 1864. In 1909, it was included in French West Africa. In November 1958, it became an "autonomous republic" within the "French Community". In April 1959, it formed the Mali Federation with Sudan (now the Republic of Mali). On April 4, 1960, a "Transfer of Power" agreement was signed with France. On June 20, the Mali Federation declared its independence. On August 20, Serbia withdrew from the federation and established an independent republic, with Leopold Seda Senghor as the first president. After independence, the Socialist Party led by President Senghor had long been in one-party power. A multi-party system has been implemented since 1974. On December 31, 1980, President Senghor voluntarily retired and Prime Minister Abdou Diouf took over. Since then, Diouf was re-elected three times in 1983, 1988 and 1993. In March 2000, Democratic candidate Wade defeated Diouf and was elected president, ending the 40-year history of the Socialist Party in power. In February 2007, Wade was re-elected. The People's Republic of China and the Republic of Senegal established diplomatic relations on December 7, 1971. On January 3, 1996, the Serbian government and the Taiwan authorities signed a communiqué on the resumption of diplomatic relations. On January 9, the China government announced the suspension of diplomatic relations with Serbia. On October 25, 2005, China Foreign Minister Li Zhaoxing and Senegal Minister of State for Foreign Affairs Cheikh Tidiane Gadio signed a communiqué on the resumption of diplomatic relations in Beijing, and the two countries resumed diplomatic relations at the ambassadorial level. Phosphate, Senegal is the largest salt producer in West Africa. In the peanut industry, Senegal is an agricultural country, and peanuts are the most important economic and export crop. Casamans Landform, Casamans is famous for its unique landforms and cultural characteristics. The Senegal River is the northern border of the country.