21.   Unprecedented security was in place amid a jittery atmosphere.

22.   While newcomers learn to compete with entrenched locals, the portal war is taking place amid two bigger transformations.

23.   Others tried to float balloons carrying slogans across the border toward Shenzhen, the neighboring Chinese city where the selection was taking place amid red Communist banners.

24.   But this cannot take place amid the uncertainty caused by these official hints.

25.   Eight soldiers survived the ordeal, which took place amid strong waves in the cold water.

26.   Olympic giant slalom champion Deborah Compagnoni of Italy rallied from ninth to fourth place amid cheers of a partisan crowd.

27.   Since last month, security officers have been closely guarding business districts, traditional markets and other public places amid incessant rumors of imminent widespread unrest.

28.   The Argentine celebrations took place amid a global commemoration of the writer.

29.   The elections took place amid growing Western pressure to reunify the Mediterranean island.

30.   The ceremony took place amid heightened security at Navy-Marine Corps Memorial Stadium.