What is the special feature of the leaves of C4 plants?

The special feature of the leaves of a C4 plants is that it has mesophyll and bundle sheath cells which photosynthesis is divided in each of them. Also, chloroplast is present in both mesophyll and bundle sheath cells. The photosynthesis processes of C4 plants are divided between mesophyll and bundle sheath cells. Two steps of C4 photosynthesis that occur in the mesophyll cells are the light-dependent reactions and a preliminary fixation of CO2 into a molecule called malate.