Lecture with formulas on the blackboard in front of studentsLecture with formulas on the blackboard in front of students
A shot from the film 500 days of summer with joseph gordon-levitt and zooey deschanelA shot from the film 500 Days of Summer with Joseph Gordon-Levitt and Zooey Deschanel
The towers and lights of the city are reflected in the night waterThe towers and lights of the city are reflected in the night water