The mirror surface of the lake reflecting the green hillsThe mirror surface of the lake reflecting the green hills
The night metropolis is reflected in the surface of the riverThe night metropolis is reflected in the surface of the river
A map of the solar system with the trajectories of the planetsA map of the solar system with the trajectories of the planets
An introductory picture for the diameters of the planets and the distance to the sunAn introductory picture for the diameters of the planets and the distance to the Sun