2529 years
accurate
adults only
asian
asian ethnicity
background
business
businessman
career
chemistry
chinese
chinese ethnicity
color image
concepts
corporate
creative
creativity
discover
executive
experiment
expertise
explore
hand
holding
individual
individuality
long sleeved
malaysia
malaysian
malaysian chinese
man
occupation
one man only
one person
one young man only
part of
professional
research
science
showing
side view
simple
simplicity
skill
studio shot
test tube
white
young
young man