adversity
aging
alone
anxiety
brink
challenge
cliff
concept
copy space
crevasse
danger
dangerous
depression
difficulty
dilemma
edge
facing
fear
full length
gap
hazard
lonely
looking down
man
mountain
nervous
obstacle
obstruction
outdoors
outside
predicament
problem
ravine
risk
risky
rock
rocks
sad
senior
standing
suit
top
trepidation
uncertain
uncertainty
worried