Ancient roman infantry with shields, swords and spearsAncient Roman infantry with shields, swords and spears
Lecture with formulas on the blackboard in front of studentsLecture with formulas on the blackboard in front of students
The cat is on the window. a sad cat on the windowsillThe cat is on the window. A sad cat on the windowsill
White pawn on the chessboard against black chess piecesWhite pawn on the chessboard against black chess pieces