a helicopter flies over a field at sunset

a large military helicopter flying over a vast field at sunset. the sky is cloudy, and the grass is tall. the helicopter is gray and has a large propeller. it is flying low over the field, and its shadow can be seen on the ground. there are no other objects or people in the scene. the description should include the following details: the color of the helicopter, the height of the clouds, the color of the grass, and the size of the propeller.