However, plate tectonics cannot fully explain certain massive surface features, such as the "superswell" of southern Africa, a vast plateau over 1,000 miles across and nearly a mile high.
The Mandela Challenge Plate is contested by South Africa and Australia during the annual Tri-Nations competition.
在年度三国赛中,南非和澳大利亚争夺曼德拉挑战奖盘的归属。
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“It is most often preferable to arrive to Africa by ship rather than by plane,” she said, then stopped talking and rededicated herself to a plate of pasta.