Question: Where are Cenxi and Rizhao located?

Context paragraphs:
Cenxi: Cenxi () is a county-level city under the administration of Wuzhou City, in the east of Guangxi, People's Republic of China.

Shui Dong: Shui Dong is located in Luohe, Ju County, Rizhao, Shandong Province.  The dialect of Shui Dong is Qingdao dialect.

Port of Rizhao: The Port of Rizhao is a natural deep-water seaport on the coast of the city of Rizhao, Shandong Province, People's Republic of China, located on the southern shore of Shandong Peninsula, opening to the Yellow Sea.  It has 46 deep-water berths in two main port areas (Lanzhao Port Area and Shijiu Port Area).  In 2012 it reached a throughput of 284 million metric tons, making it the tenth-busiest port in China.

Qufu Normal University: Qufu Normal University () is a public university located in the cities of Qufu, which is the ancient home of Confucius, and in Rizhao, Shandong province, China.  Its focal points include studies of history, calligraphy, law, management, chemistry, physics and the general education of teachers.

Rizhao: Rizhao () is a prefecture-level city in southeastern Shandong province, China.  It is situated on the coastline along the Yellow Sea, and features a major seaport.  It borders Qingdao to the northeast, Weifang to the north, Linyi to the west and southwest, and faces Korea and Japan across the Yellow Sea to the east.

Ju (city): Ju () is an ancient Chinese city that existed during the Warring States period, and was located in what is today Ju County, Rizhao Prefecture, Shandong.

Rizhao Polytechnic: Rizhao Polytechnic (, colloquially known as "Rizhi" (日职), is a public institution of tertiary education in Rizhao, Shandong province, China, specializing in engineering and technical majors.  The college has around 14.000 students and 900 teachers, the campus is located north of the University City in Donggang District.

Ganyu District: Ganyu District () is under the administration of Lianyungang, Jiangsu province, China.  It contains the province's northernmost point and is located along the Yellow Sea coast where the coastline takes a sharp turn toward the southeast, and borders the Shandong prefecture-level cities of Linyi and Rizhao to the north.

Yanzhou–Shijiusuo Railway: The Yanzhou–Shijiusuo Railway or Yanshi Railway (), is a railroad in northern China between Yanzhou and Shijiusuo Station in Rizhao.  The entire line, 307.9 km in length, is located in Shandong Province and was built from 1981 to 1985.  The Yanshi Railway is a major conduit for the shipment of coal from Shanxi Province.

Rizhao Shanzihe Airport: Rizhao Shanzihe Airport (IATA: RIZ, ICAO: ZSRZ) is an airport serving the city of Rizhao in Shandong Province, China.  The airport received approval from the State Council of China and the Central Military Commission in October 2013.  It is located in Houcun Town (后村镇 ), Donggang District.  It was opened on 22 December 2015.

Supporting paragraphs: Cenxi Rizhao
Answer: China