Opening ceremony for world's longest tunnel apparently homage to discoverer of LSD
who was Swiss. Well, that's one explanation for this:
Switzerland tunnel: The oddest moments of the opening ceremony
From the World Cup to the Olympics, it is not a significant event if you don't have an unusual opening ceremony to go with it.
This was also the case when the Gotthard railway tunnel, the longest and deepest in the world, was inaugurated on Wednesday.
Here are some of the most striking moments from the ceremony - we have tried to explain what is going on as far as possible. It was not always possible.
Warning: This article contains partial nudity
http://www.bbc.co.uk/news/in-pictures-36428799
Not only partial nudity, but milk floats, lots of people in their underwear, and actors playing ibex having sex:
"It is unclear what the German, French and Italian leaders, who were all present, made of the ceremony"
"At one point, there were lots of people rolling around in white underwear"
"One Twitter user wrote: "We're opening a tunnel, and here are two people dressed as ibex pretending to have sex""