Greening on Both Sides of Yellow River Upgrades its Ecology.

　　Rows of newly planted white pine trees ,cedars and previous trees in the back silting zone of the Yellow River paints an ecological scenery with the rushing Yellow River. From now on, there will be different sceneries in each season on both sides of the Yellow River as it has become the green ecological barrier in the north of Ji’nan , aiding the ecological protection and development.