World War I soldiers buried alive.

WWI soldiers burying German corpses.

People's health improves during war.

Floating balloons with a umbrella shape

Huge balloons as sun shields.

Huge balloons as air raid shelter.

Attack ships on fire near Orion.

Spaceship in a starry emptiness.

A spaceship in a space landscape.

A lone spaceship in desert.

Spaceport in a desolate environment.

A lone spaceship on a plain.