clouds can block sunlight
cloud has not effect_of_partially_blocking_sunlight blocked_sunlight has not powerful_effect_on_microclimate shadow_where is blocking_sun. sun_tanning is not exposure. blocked_sunlight has powerful_effect_on_microclimate partially_blocking_sunlight has not effect_of_cooling_earth sky has clouds sky has not clouds partially_blocking_sunlight has effect_of_cooling_earth cloud has effect_of_partially_blocking_sunlight