"That jump was a jump of joy of seeing something familiar and it breaks my heart. I'm so happy he has you," one user wrote.

Concrete also provides a perfect place for cats to mark their territory, Losos added. Cats have scent glands, located all around their faces and bodies, that release pheromones. These pheromones are ...

"This isn't safe for them. He could train too much and become an Olympic champion and never return home," one user said.