China, Tanzania and Zambia signed an initial agreement to rehabilitate a decades-old railway aimed at improving the rail-sea transportation in resource-rich East Africa, Chinese state media said on Wednesday. President Xi Jinping witnessed the signing of the memorandum of understanding on refurbishing the 1,860 kms (1,156 mile) Tanzania-Zambia Railway Authority (TAZARA) railway with the Tanzanian and Zambian presidents, who were in Beijing attending the Forum on China-Africa Cooperation... The single-track TAZARA railway was built between 1970 and 1975 through an interest-free loan from China, offering a cargo transport route from Zambia's copper and cobalt mines to the sea on Tanzania's...