Professor Krysa and the research team visit a demonstration environment and resources project in Changzhi, Shanxi province on April 26. The project has been co-undertaken by University of Chemistry and Technology in Prague, Czech Norman Environmental Technology Co Ltd, Shanxi University and a Shanxi-based environment and resource company, together conducting the intergovernmental and international scientific and technological innovation in sector of environment and resources. [Photo/sxu.edu.cn]