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Two exhibitions running through Sept. 17 in the visitors ' center : '' Journey to China 's Southwest , '' with photographs , clothing and folk art ; also , '' Exploring Tibet : In Search of the Salween , '' a display of rare photographs from a 1930 's expedition to southeastern Tibet to find the source of the Salween River .
 location contains: China, Salween River; location contains: Tibet, Salween River; location contains: Tibet, Salween River
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
 Entity Pairs:  China, Salween River; Tibet, Salween River; Tibet, Salween River 
Answer:
 location contains: China, Salween River; location contains: Tibet, Salween River; location contains: Tibet, Salween River