The ground vibrated and the unmistakable clip-clop sound of horseshoes announced the arrival of the rest of the convoy. Earth ponies dragged large ground coaches, long wooden boxy wheeled structures, not unlike the pony wagons, with seating capacities of twenty griffins. When they came to a stop, the doors popped open, and the humans pushed themselves out and quickly went to a loose line formation. Gilda did a quick count. So far, one coach had almost thirty humans (quite a tight fit, she thought), and with seven or eight coaches visible, taking to account of humans bringing their own supplies, she guessed they numbered at least –