21.   A third category emphasizes cultural exchange.

22.   About a year from now, this cultural exchange should come full circle.

23.   About two and a half years ago, North and South signed a broad agreement calling for economic cooperation, cultural exchanges, communications and other measures.

24.   Along with authorizing the baseball games, the Clinton administration in January approved other cultural exchanges and allowed Americans to increase the amount of money they can send Cubans.

25.   Brown insists the purpose of his visit is just city business, with the specific aims of increasing trade, tourism and cultural exchange between the two cities.

26.   But Gertz has defended the au pair system as a cultural exchange program.

27.   But he and other Chinese officials said cultural exchanges would be preserved.

28.   But in recent years cultural exchanges, mostly musical acts, have begun to make Cuba more familiar.

29.   But the war in Afghanistan and the subsequent break in cultural exchange between the Soviet Union and the United States left Sokolov in the cold.

30.   By the time these works were painted, a cultural exchange between the Islamic world and the West had rapidly accelerated through the travels of merchants and missionaries.