The imagery captured on 21 January shows new structures and trucks at the cleared area.
Construction appears to have begun at the beginning of this year, with lower resolution imagery showing gradual development at the site since 1 January.
A new track or road measuring around 1km also appears to join with a pre-existing road that leads into Israeli territory.
Drone photographs shared by a Syrian journalist 20 January shows trucks, excavators and bulldozers at the site.
Jeremy Binnie, Middle East specialist a defence intelligence company Janes told us: “The photo shows what appear to be four prefabricated guard posts that they will presumably crane into position in the corners, so this is somewhere they are planning to maintain at least an interim presence”.
