Being the liaison officer for a team on tour requires mastery of complex arts.

The fantastic athletes from the ZPCH Synchroonzwemmen, several times national Netherlands' champions in synchronized swimming, were looking for the ideal site to train for one of the year's main competitions, the NK Free Combinatio.

We didn't expect so much mastery and so much competition from the UN tennis players. But the truth is, tennis is taken very seriously at the largest organization in the world.

180 women and men arrive in Lisbon with the sole objective of winning the football competition for which they registered. There is no more exciting scenario than this, especially when footballers are UN officials - that is, they spend all year trying to solve some of the world's most serious problems and rarely have a moment of fun.

The UN swimming athletes, meeting in Lisbon for the Inter-Agency Games, their annual sporting competition, were ready, trained and motivated. In the warm-up areas and on the pool slopes there was that silent nervousness that precedes great moments.

The perfect golf course is one that combines a great technical difficulty design with the natural beauty that surrounds it.