Because we are ignorant of other biological systems, we have no context for understanding Earth life, for knowing to what extent the life we see around us is, on the cosmic scale, relatively ordinary or totally freakish.
The universe is too vast for the average human to understand.
The majority of humans understand the complexities of the universe.
a dog witha toy
The aquamarine waters with windsurfers and sailboats make a nice photo opportunity.
A fisher is trying to make a catch in an old boat.
A blonde girl walks around in heels.
The person is asleep in the bathroom.
Two friends at a music festival.