Green Talents Award 2018 winners from China Zhou Di (L) and Shan Yuli pose for photos at the German Federal Ministry of Education and Research in Berlin, capital of Germany, on Oct. 22, 2018. Two Chinese scientists, together with 23 others from different countries, have been awarded the Green Talents Award 2018 by the German government on Monday for their achievements in sustainability related research. (Xinhua/Shan Yuqi)

Chinese scientist Zhou Di (R) is awarded the Green Talents Award 2018 at the German Federal Ministry of Education and Research in Berlin, capital of Germany, on Oct. 22, 2018. Two Chinese scientists, together with 23 others from different countries, have been awarded the Green Talents Award 2018 by the German government on Monday for their achievements in sustainability related research. (Xinhua/Shan Yuqi)

Chinese scientist Shan Yuli (R) is awarded the Green Talents Award 2018 at the German Federal Ministry of Education and Research in Berlin, capital of Germany, on Oct. 22, 2018. Two Chinese scientists, together with 23 others from different countries, have been awarded the Green Talents Award 2018 by the German government on Monday for their achievements in sustainability related research. (Xinhua/Shan Yuqi)

Guests and representatives of Green Talents Award 2018 winners attend a panel discussion during the "Green Talents - International Forum for High Potentials in Sustainable Development" at the German Federal Ministry of Education and Research in Berlin, capital of Germany, on Oct. 22, 2018. Two Chinese scientists, together with 23 others from different countries, have been awarded the Green Talents Award 2018 by the German government on Monday for their achievements in sustainability related research. (Xinhua/Shan Yuqi)

Guests and Green Talents Award 2018 winners pose for photos at the German Federal Ministry of Education and Research in Berlin, capital of Germany, on Oct. 22, 2018. Two Chinese scientists, together with 23 others from different countries, have been awarded the Green Talents Award 2018 by the German government on Monday for their achievements in sustainability related research.(Xinhua/Shan Yuqi)