Serious-faced middle age man, a meticulous scientist, sitting immersed in his work, experimenting with test tubes in a bustling laboratory environment
Palabras clave
man,
male,
adult,
elderly,
mature,
person,
photogenic,
senior,
hispanic,
expression,
science,
research,
medicine,
scientist,
experiment,
technology,
medicals,
professional,
microscope,
chemist,
biology,
analysis,
work,
men at work,
working,
tube,
test,
table,
sitting,
serious,
face,
clinic,
center,
hospital,
room,
indoor,
indoor,
laboratory,
laboratory,
pharmacy,
chemistry,
concentration,
exam,
discovery
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