1800 people sending smoke signals as a mean of communication. Green mountain. Presentation slide
1800 people sending smoke signals as a mean of communication. Green mountain. Presentation slide
1800 people sending smoke signals as a mean of communication. Green mountain. Presentation slide
a group of people standing in a circle with green smoke coming out of it
a black and white image of a green leaf floating in the air
an illustration of a volcano with green smoke coming out of it
an illustration of a cloud in the middle of a forest