Hogweed, Heracleum sphondylium.

Hogweed, Heracleum sphondylium.

Hogweed, Heracleum sphondylium, Black subject.

Rose, Rosa.

Beech trees in winter silhouetted against pale blue sky.

View upwards into bare branches of winter canopy of Beech trees against pale blue sky.

View upwards into bare branches of winter canopy of Beech trees against pale blue sky.

View upwards into bare branches of winter canopy of Beech trees against pale blue sky.

Greece, Flowering stems of Agave cultivar silhouetted against pale sky.

USA, Arizona, Saguaro National Park, Saguaro cactus silhouetted against blue sky in soft light, framed by branches of another in foreground.

Ireland, Northern, County Fermanagh, Lough MacNean, Frozen expanse of water with reeds casting long shadows and mountains in the background.

Ireland, Northern, County Fermanagh, Lough MacNean, Frozen expanse of water with reeds casting long shadows and mountains in the background.