Optimistic
Pessimistic
progress in different areas
development of computers
new discoveries in medicine
space travelling
space discoveries
water pollution
new war technologies
new serious diseases
air pollution
dangerous technologies
stressful life
Optimistic
Pessimistic
progress in different areas
development of computers
new discoveries in medicine
space travelling
space discoveries
water pollution
new war technologies
new serious diseases
air pollution
dangerous technologies
stressful life