真っ赤
blue
body temperature
boy
boys
calling attention
children
childrens
copy space
cute
drink
during the day
early symptoms
fever
health
heat
heat stroke
heat stroke prevention
heat wave
hydration
illustrations
kid
malfunction
margin
measures
men
moisture
out of play
outdoor
outside
person
physical condition
plastic bottles
plein air
prevention
red face
simple
sports drink
summer
sun
sunstroke
sweat
sweating
temperature adjustment
water
water intake
white background