Silhouette of people walking on the side of the roadSilhouette of people walking on the side of the road
On the table is a magnifying glass with a manuscript, a compass and a ropeOn the table is a magnifying glass with a manuscript, a compass and a rope
Reflection of trees on the surface of the river. twilight landscapeReflection of trees on the surface of the river. Twilight landscape
A field with pink flowers on the background of snow-capped mountainsA field with pink flowers on the background of snow-capped mountains
Lecture with formulas on the blackboard in front of studentsLecture with formulas on the blackboard in front of students