دعوت به یک چالش!

The best words for the picture could be ...

1. Dam / karoon river/ shore/ power plant /landscape/ reed/ shiny/

2. Dam/ coast / groove/ hill/ clean air/ karoon river/mountain/power building/

3. Landscape/ shiny/ dam/ beach/ karoon river/ straw/clean air/

4. karoon river/ clean air/ power plant/ flood gate/ hill/karoon branch/rock/