3d illustration
ahead
background
business
caution
challenge
challenges
clouds
concept
conceptual
crisis
danger
dark
design
difficult
difficulties
difficulty
economic
finance
future
gloomy
hard
hardship
icon
idea
illustration
motivation
overcome
overcoming
problems
risk
risky
road
roadsign
rough
sign
sky
space
stormy
symbol
time
times
tough
trouble
warning
weather
work
yellow