Lecture with formulas on the blackboard in front of studentsLecture with formulas on the blackboard in front of students
A fiery retro car with a trail of fire on the background of a red-black skyA fiery retro car with a trail of fire on the background of a red-black sky
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
In the evening, the weather is cloudy on the field, the grasses and oats are soakedIn the evening, the weather is cloudy on the field, the grasses and oats are soaked
Summer field with flowers on the background of forests, mountains and cloudsSummer field with flowers on the background of forests, mountains and clouds