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mars challenges (travel challenges (fuel, food, distance, hydration,…
mars challenges
travel challenges
fuel
food
distance
hydration
communication
toilet
social challenges
disconnected
too close to those limited people
limited amount of people
shelter challenges
time wear
oxygen
whether resistance
physical challenges
travel
child birth
keeping in shape
environmental challenges
water usage
oxygen levels
whether
emotional challenge
disconnected
fear
insanity