alert
allowed
attention
badge
banner
camera
caution
communication
danger
equipment
flash
forbid
forbidden
icon
illegal
information
isolated
label
mobile phone
museum
no photo
notice
photograph
photographer
pictogram
picture
placard
prohibited
prohibition
protection
public place
recording
restrict
restricted
restriction
risk
rule
safety
sign
signal
simple
smartphone
social media
sticker
symbol
technology
video
warning
zone