Senior man with glasses standing confidently in front of a chalkboard with mathematical formulas. Back to School.
Palabras clave
back,
school,
senior,
man,
goggles,
blackboard,
confident,
prof,
teacher,
mathematic,
formula,
classroom,
education,
wisdom,
cognition,
experienced,
academic,
mature,
grey hair,
intellectual,
scholarly,
learning,
thoughtful,
instructor,
serious,
mentor,
knowledgeable,
science,
mathematic,
background,
indoor,
lecture,
studious,
university,
teaching,
arms crossed,
intelligent,
focused,
professional,
elder