A dilapidated observation tower near an abandoned country road
We observe the nature of English fields planted with lavender
The scale of one planet and the observable universe
A cat on the background of sunset on the rocks lies and looks at the observer
The shining horizon is observed from the city embankment
Observations in nature: gurgling and splashing of water
The glow of jellyfish and the incredible observation of such an event
It is interesting to observe the planet through a telescope
The stellar atmosphere is the region in which the directly observed radiation is formed[33]
An unforgettable landscape can be observed on Lake Geneva in Switzerland