Some space officials predict that humans will be walking on Mars within two decades, or at least by mid-century.

The idea is that humans walk in the same manner.

Notice the way humans walk as if they own the galaxy?

Then the two humans walked on for a while, leading the animals, before remounting.

It was as if humans had never walked Titan's surface.

They knew that humans had walked on the Moon.

The humans walked the bike in with the help of one of the females.

Some of the dwellings carved from the rock go back to a time before humans walked on two legs.

The first humans walked out of Africa about 60,000 years ago.

The humans picked up their belongings and walked through the hallway out into the brighter lights.