Animals, Birds, A female Green-crowned Brilliant Hummingbird, Heliodoxa jacula, feeds on the nectar of a tropical Rattlesnake Plant in Costa Rica.

Animals, Birds, A male Green-crowned Brilliant Hummingbird, Heliodoxa jacula, feeds on the nectar of a tropical Rattlesnake Plant in Costa Rica.

Animals, Birds, A female Green-crowned Brilliant Hummingbird, Heliodoxa jacula, feeds on the nectar of a tropical Costus flower in Costa Rica.

Animals, Birds, A female Green-crowned Brilliant Hummingbird, Heliodoxa jacula, feeds on the nectar of a Lobster Claw Heliconia in Costa Rica.

Animals, Birds, A female Green-crowned Brilliant Hummingbird, Heliodoxa jacula, approaches a tropical blueberry flower to feed in Costa Rica. Photographed in high key for artistic effect.

Animals, Birds, A female Green-crowned Brilliant Hummingbird, Heliodoxa jacula, approaches a yellow Costus flower to feed in Costa Rica.

Animals, Birds, A female Green-crowned Brilliant Hummingbird, Heliodoxa jacula, feeds on the nectar of a tropical Hot Lips flower in Costa Rica.

Animals, Birds, A female Green-crowned Brilliant Hummingbird, Heliodoxa jacula, approaches a Hairy Heliconia flower to feed in Costa Rica. Photographed in high key for artistic effect.

Animals, Birds, A female Green-crowned Brilliant Hummingbird, Heliodoxa jacula, feeds on the nectar of a tropical banana plant in Costa Rica.

Animals, Birds, A female Green-crowned Brilliant Hummingbird, Heliodoxa jacula, feeds on the nectar of a Lobster Claw Heliconia in Costa Rica.

Animals, Birds, A female Green-crowned Brilliant Hummingbird, Heliodoxa jacula, perches on a yellow Costus flower while feeding. A female Purple-throated Mountain-gem Hummingbird, Lamporis calolaemus,...

Animals, Birds, A male Magnificent Hummingbird, Eugenes fulgens, feeds on a tropical Costus flower in Costa Rica. The position of the bird's wing illustrates the figure-eight beat pattern of hummingbi...

Germany, Hesse, Frankfurt, Euro-Skulptur, the 14 metre tall electronic sign by Ottmar Horl that shows a Euro currency sign with twelve stars around it, weighing 50 tonnes and located outside the Europ...

Germany, Hesse, Frankfurt, Euro-Skulptur, the 14 metre tall electronic sign by Ottmar Horl that shows a Euro currency sign with twelve stars around it, weighing 50 tonnes and located outside the Europ...

Germany, Hesse, Frankfurt, Euro-Skulptur, the 14 metre tall electronic sign by Ottmar Horl that shows a Euro currency sign with twelve stars around it, weighing 50 tonnes and located outside the Europ...

Germany, Hesse, Frankfurt, Euro-Skulptur, the 14 metre tall electronic sign by Ottmar Horl that shows a Euro currency sign with twelve stars around it, weighing 50 tonnes and located outside the Europ...

Germany, Hesse, Frankfurt, Euro-Skulptur, the 14 metre tall electronic sign by Ottmar Horl that shows a Euro currency sign with twelve stars around it, weighing 50 tonnes and located outside the Europ...

Germany, Hesse, Frankfurt, the twin towers of new European Central Bank building completed in 2014.

Germany, Hesse, Frankfurt, the former Paulskirche or St Paul's Church building now used as an exhibition hall, memorial venue and meeting place.

Germany, Hesse, Frankfurt, Altstadt Old Town, Romerberg square with post WW2 restored buildings including Haus Romer the City Hall seen from the viewing tower of Frankfurt Cathedral.

Germany, Hesse, Frankfurt, Altstadt Old Town, Romerberg, the square's east side known as the Ostzeile with the Statue of Justice in the foreground and the spire of Frankfurt Cathedral behind.

Germany, Hesse, Frankfurt, Altstadt Old Town, Romerberg, the square's east side known as the Ostzeile features a row of six houses which were reconstructed from their original 15th and 16th century st...

Germany, Hesse, Frankfurt, Altstadt Old Town, Romerberg, the square's east side known as the Ostzeile features a row of six houses which were reconstructed from their original 15th and 16th century st...

Germany, Hesse, Frankfurt, Altstadt Old Town, Romerberg, the square's east side known as the Ostzeile features a row of six houses which were reconstructed from their original 15th and 16th century st...