High wave on the background of clear sky and bright sunHigh wave on the background of clear sky and bright sun
Sunset on the sea and the reflection of the sun in the waterSunset on the sea and the reflection of the sun in the water
A gray block of rock on the shore, against the background of a lilac skyA gray block of rock on the shore, against the background of a lilac sky
Summer field with flowers on the background of forests, mountains and cloudsSummer field with flowers on the background of forests, mountains and clouds
Lecture with formulas on the blackboard in front of studentsLecture with formulas on the blackboard in front of students