Liu Gaoqiong (L), a Chinese expert who introduced the first green house for tomato planting into Kenya in 1997, checks experimental stevia planted at Egerton University in Nakuru, Kenya, Oct. 13, 2016. As the Sino-African relations are getting stronger in recent years, more and more Chinese people and companies invest in African countries with their fund, knowledge and skills to help Africa fight against poverty. (Xinhua/Sun Ruibo)
Local workers work at the experimental stevia field which is introduced by Chinese expert Liu Gaoqiong to Kenya at Egerton University in Nakuru, Kenya, Oct. 14, 2016. As the Sino-African relations are getting stronger in recent years, more and more Chinese people and companies invest in African countries with their fund, knowledge and skills to help Africa fight against poverty. (Xinhua/Sun Ruibo)
A local worker plants tomato sprouts inside a green house which is introduced by Chinese expert Liu Gaoqiong to Kenya at Egerton University in Nakuru, Kenya, Oct. 14, 2016. As the Sino-African relations are getting stronger in recent years, more and more Chinese people and companies invest in African countries with their fund, knowledge and skills to help Africa fight against poverty. (Xinhua/Sun Ruibo)
Local workers work at the experimental stevia field which is introduced by Chinese expert Liu Gaoqiong to Kenya at Egerton University in Nakuru, Kenya, Oct. 13, 2016. As the Sino-African relations are getting stronger in recent years, more and more Chinese people and companies invest in African countries with their fund, knowledge and skills to help Africa fight against poverty. (Xinhua/Sun Ruibo)
Photo taken on Oct. 14, 2016 shows a green house for tomatoes which is introduced by Chinese expert Liu Gaoqiong to Kenya at Egerton University in Nakuru, Kenya. As the Sino-African relations are getting stronger in recent years, more and more Chinese people and companies invest in African countries with their fund, knowledge and skills to help Africa fight against poverty. (Xinhua/Sun Ruibo)
Photo taken on Oct. 13, 2016 shows the experimental stevia field which is introduced by Chinese expert Liu Gaoqiong to Kenya at Egerton University in Nakuru, Kenya. As the Sino-African relations are getting stronger in recent years, more and more Chinese people and companies invest in African countries with their fund, knowledge and skills to help Africa fight against poverty. (Xinhua/Sun Ruibo)