1.   Researchers visit to study everything from diet to the altitude of the town.

2.   He announced that a German delegation would soon visit to study ways in which relations could be restored in the area of the judiciary.

3.   A delegation of the political wing of the Irish Republican Army visits to study peaceful transition of power in South Africa.

4.   Dehaene said a high-level Belgian delegation would soon visit to study the US facility and get to work on setting up an identical structure at home.