a caravan (convoy or procession)

we; us

crossing, traversing, intersecting, especially across the width (not lengthwise) / travelling east to west or west to east / cutting in a sideways direction

to go across, to cross / to go latitudinally / to cut in a sideways direction

desert (barren area)

crosswalk, pedestrian crossing, zebra crossing

a desert black snake (Walterinnesia aegyptia)