Chinese Premier Li Keqiang (C front) and Ethiopian President Mulatu Teshome (R front) look at the introduction of the free ophthalmological service "Bright Journey" provided by China at Alert Hospital in Addis Ababa, Ethiopia, May 6, 2014. (Xinhua/Xie Huanchi)

Chinese Premier Li Keqiang (2nd L) and Ethiopian President Mulatu Teshome (3rd L) look at the introduction of the free ophthalmological service "Bright Journey" provided by China at Alert Hospital in Addis Ababa, Ethiopia, May 6, 2014. (Xinhua/Xie Huanchi)

Chinese Premier Li Keqiang (3rd L front) and Ethiopian President Mulatu Teshome (3rd R) visit a patient who has received a free cataract surgical operation of the program "Bright Journey" provided by China at Alert Hospital in Addis Ababa, Ethiopia, May 6, 2014. (Xinhua/Li Tao)

Chinese Premier Li Keqiang (2nd R) and Ethiopian President Mulatu Teshome (1st L) visit a patient who has received a free cataract surgical operation of the program "Bright Journey" provided by China at Alert Hospital in Addis Ababa, Ethiopia, May 6, 2014. (Xinhua/Xie Huanchi)

Chinese Premier Li Keqiang (C) and Ethiopian President Mulatu Teshome (2nd L) visit a patient who has received a free cataract surgical operation of the program "Bright Journey" provided by China at Alert Hospital in Addis Ababa, Ethiopia, May 6, 2014. (Xinhua/Li Tao)

Chinese Premier Li Keqiang (2nd L) visits a patient who has received a free cataract surgical operation of the program "Bright Journey" provided by China at Alert Hospital in Addis Ababa, Ethiopia, May 6, 2014. (Xinhua/Li Tao)

Chinese Premier Li Keqiang (L front) opens the gauze of a patient who has received a free cataract surgical operation of the program "Bright Journey" provided by China at Alert Hospital in Addis Ababa, Ethiopia, May 6, 2014. (Xinhua/Li Tao)