gene

Wind turbines on a mountain

Salah

Wind turbines in Guarda, Portugal

Salah

Gas cooker

Salah

Light a gas cooker

Salah

Green electricity pylon

Salah

Power pole in the czech republic

Salah

Reservoir in Germany

Daniel

Wind energy

Salah

Wind farm dark storm clouds

Salah

Green pinwheel

Salah

Aproveitamento hidroelétrico de Lagoa Comprida

Daniel

Lagoa Comprida dam - Aproveitamento hidroelétrico de Lagoa Comprida

Daniel