I didn't come to Liuwa Plain National Park in Zambia to photograph wildebeests. But on this dusty June evening, I couldn我没有去赞比亚的流花平原国家公园去拍摄黑尾牛羚。但当我在那个尘埃漫天的六月傍晚听到它们奔跑的蹄声，看到它们奔跑的姿态时，我无法拒绝这一场景。