Peek into the cement and brick dwellings stacked on top and beside another where old men sit around tables, smoking and playing cards, and children chase each other in the courtyards while mothers are busy with chores.

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Construction is all about creating materials such as brick, cement and wallboard in one place and shipping it to another place, all of which uses energy.

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If eBay Now catches on, it could be a coup for the site, which has been increasingly making moves to cement its status in the brick and mortar world.

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And recently, workmen can again be seen shovelling cement into mixers at a few brick factories in Gaza .

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