Filling stone walls - GIF

Filling stone walls.

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Previously:

Carving art on a stone wall - GIF
Crane overturns while erecting tilt-up wall - GIF
Massive wall installation - GIF
Moving a one-million-pound wall - GIF
Newly erected wall collapses - GIF
Removing overgrowth from brick wall - GIF

Please be gentle, I'm asking in ignorance. Why are they filling up every other one instead of just going straight down the line?

Quote:

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Originally Posted by Elizabeth Greene

Please be gentle, I'm asking in ignorance. Why are they filling up every other one instead of just going straight down the line?

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The only thing I can think of is they are going to use a different color stone to create a more appealing look

Maybe they are coming back with a different color(or shape) of rock to add aesthetic diversity to the design?

Edit: oops, I see we posted at almost the same time Frank.