Lecture with formulas on the blackboard in front of studentsLecture with formulas on the blackboard in front of students
Smena-8 camera, lens mount, reflection on the tableSmena-8 camera, lens mount, reflection on the table
A tropical waterfall with a spray cloud on the background of the skyA tropical waterfall with a spray cloud on the background of the sky
Atmospheric photo of the path going into the forest along the riverAtmospheric photo of the path going into the forest along the river
Drawing of a man and a girl ready to fight on the great wall of chinaDrawing of a man and a girl ready to fight on the Great Wall of China