Greek officials say a horde of frogs has forced the closure of a key northern highway for two hours.
据希腊官员称,大群的青蛙迫使希腊北部的高速干道关闭2小时。
Thessaloniki traffic police chief Giorgos Thanoglou said "millions" of the amphibians covered the tarmac near the town of Langadas, some 12 miles east of Thessaloniki.