Question: Where was the first ski flying hill built?
About the article "Ski jumping", section "Ski flying".

Candidate passages:
Ski Flying is an extension of ski jumping.
The events take place on hills with a K-point of at least .
The first ski flying hill was built in Planica in Slovenia.
In 1936, the FIS started to regulate the construction of the jumping hills and issued international standards for their construction and maintenance.
Back then, it was forbidden to build a ski jumping hill which made it possible to make jumps longer than 80 meters.
Nevertheless the first-ever ski flying hill was built in Planica, Slovenia.
It took several more years before competitions on this hill were approved by FIS.
The "father" of ski flying is Janez Gorišek, an engineer, sportsman and enthusiastic sport-promoter who designed the Planica ski-jump.
There are five ski flying hills in the world today: Vikersundbakken in Vikersund, Norway; Oberstdorf, Germany; Kulm Austria; Letalnica, Planica, Slovenia; and Harrachov, Czech Republic.
A sixth hill, Copper Peak in the western Upper Peninsula of Michigan, is currently disused, although there are plans to rebuild it to FIS standards.
There are plans for more ski flying hills, even for an indoor ski flying hill in Ylitornio, Finland.
The biggest hill is Vikersundbakken in Vikersund.
Jumps of more than have occurred at all ski flying hills.
The current World Record is , set by Norwegian Johan Remen Evensen at Vikersund in 2011.
The "Fédération Internationale de Ski" (FIS) Ski flying World Championships started in 1972 and occur biennially.
The 2010 FIS World Championships in ski flying were organised in Planica, and in 2012 the FIS World Championships took place in Vikersund, Norway.1992, 1994, 1996, 1998 "Ski flying World Championships" individual day event wins in two series also counted as an individual "World Cup" win.
In 2010, the hill was being rebuilt.
This process which was started after the 2008-09 Ski Jumping World Cup, extended the length of the hill to HS225, making it the world's largest ski jumping hill.
Cost to renovate the hill was planned at 80 million kr (€10 million).
Included in the cost was a new judges tower, a ski lift, a spectator area, and wind nets.
Hill construction took place where the old hill that was demolished in 2009.
Adjustments was the hill turned several degrees and built into the ground to avoid wind problems.
Outrun was elevated in order for it to be the same levels as the rest of the jumping hills at Vikersund.
The first ski flying competition in the hill took place in 1966 and the hill has been rebuilt on several occasions, most recently for the FIS Ski-Flying World Championships in 2000 where it was at a K185 position.
It should be ready in time for the World Cup competition in February 2011. 
Vikersundbakken is a ski flying hill at Vikersund in Modum, Norway.
It is the largest in the world.
Five world records have been set in the hill, with the current of 246.5 meters being set by Johan Remen Evensen.
The complex also consists of a large hill, a normal hill and several training hills.
The hill opened in 1936 as a large hill.
It was rebuilt to become a ski flying hill in 1964 and has later been converted in 1989, 1999 and 2010.
The large hill was built in 1988.
The hill was the first to receive floodlights in 2006.
It has hosted the FIS Ski-Flying World Championships four times, in 1977, 1990, 2000, 2012. 
Wolverine Hill was a ski jumping hill located at Ironwood in Michigan, USA.
Owned by the "Gogebic Range Ski Club", it had a K-point at 66 meters.
Three world records in ski jumping were set at Wolverine Hill.
The ski club had a vision of building the largest ski jumping hill in the world in the 1930s.
The hill remained in use until 1969 when they built Copper Peak ski flying hill.
Six years later they modernized the hill for young jumpers, but it has since been demolished. 
Robert Kranjec (born 16 July 1981) is a Slovenian ski jumper who has competed since 1998.
He won a bronze medal at the 2002 Winter Olympics in Salt Lake City in the Team Large Hill event.
He belongs to the world's best active ski flying athletes.
On 25 February 2012, he won the Ski-Flying World Championship and thus became the Slovenia's third World Champion in ski jumping and the first in ski flying.
He also set a new national record.
Kranjec was born in Ljubljana, Slovenia.
His first victory in a World Cup competition was at Kuusamo, Finland in 2005.
The following years he could not reach any top results except for ski flying competitions.
In 2010 he celebrated his second World Cup victory at Tauplitz, Austria.
After two more successful ski flying competitions at Tauplitz and Oberstdorf, in which he achieved the second place each time, he won the ski flying World Cup 2009/10.
Kranjec's most successful season was 2011–12.
Apart from becoming the World champion in ski flying and winning the bronze medal in team competition at the 2012 Ski-Flying World Championship, he won two competitions in World Cup.
Together with two additional podiums, Kranjec won the second ski flying World Cup in his career.