Boat on the evening water surface of the canal near the bridge in strasbourgBoat on the evening water surface of the canal near the bridge in Strasbourg
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
Summer field with flowers on the background of forests, mountains and cloudsSummer field with flowers on the background of forests, mountains and clouds