adult
aperture
blank
board
cardboard
circular
closeup
concept
curiosity
detail
discovery
eye
eyeball
eyesight
gap
gaze
guy
hiding
hole
human
lad
looking
man
opening
paper
peeking
peep
person
privacy
round
searching
secrecy
security
spectator
spy
spying
stare
staring
surprise
teen
through
watching
young