Assertion: stadium's roof | /r/HasProperty | moved outside the facility
Facets:
Source sentences:
text: Note 5: The main "flexible" stadia provided with mobile roofs are Amsterdam ArenA (1996), Cardiff Millennium (1999), Oita Big Eye (2001) and Toyota City (2001), while in Arnhem Gelredome (1998) and in Gelsenkirchen AufSchalke Arena (2001) it is possible to move the roof and even the pitch, which can be moved outside the facility thus benefiting from natural air and lighting.