Drone view of trucks queuing for the border post in a long line through the rugged landscape

trucks queuing long line rugged landscape south africa lebombo mountains winding convoy freight cargo transportation big rig articulated lorry heavy goods vehicle hauler cargo carrier trailer truck pass container truck longhaul truck bush lowveld mountainous border post crossing waiting lining up trucks idling stacked stagnant border wait times border backlog border processing customs traffic freight bottleneck crossing delays semiarid landscape scattered trees african savanna picturesque african