Bare winter plant stems with snow-dusted buds silhouetted against pale overcast sky

Tall urban high-rise building seen through dark silhouetted tree canopy under overcast hazy sky

Traditional hilltop pavilion silhouetted against hazy overcast sky with construction cranes on misty ridge

Bamboo aquaculture stakes rising from exposed tidal mudflat at low tide under hazy overcast sky

Concrete dam with multiple spillway gates spanning calm reservoir surrounded by bare winter hills

Bare tree top with sparse autumn leaves silhouetted against overcast gray sky

Bare leafless trees silhouetted against overcast gray winter sky, viewed from below