In the nineteen nineties, New York City officials started a campaign to remove signs of disorder like broken windows, graffiti markings and trash.

VOA: special.2009.03.03

He found notes that described markings on Mars that Mister Schiaparelli called "canali" Mister Lowell came to believe that intelligent life created the markings on Mars.

VOA: special.2010.07.11

Experts explain that the movement of air in the atmosphere and natural qualities of the human eye caused him to see markings that were not there.

VOA: special.2010.07.11

Sharks can be identified by their individual markings and sometimes by healed wounds.

VOA: special.2009.06.16

Every scene has familiar police markings - blood of the fallen, connections to drugs.

VOA: standard.2010.07.02