Please give the correct answer for all three parts

What is the Importance of the curved ceilings the architect used for the Auditorium Building?

Hollow tubes that allowed for lighting only

Hollow tubes that allowed for ventilation only

Hollow tubes that allowed ventilation, and lighting

Hollow tubes that held structural trusses

What is the importance of the curved ceilings the architect used for the

Auditorium Building?

Hollow tubes that held structural trusses

Hollow tubes that allowed for ventilation only

Hollow tubes that allowed ventilation and lighting

Hollow tubes that allowed for lighting only

From the video, what is the importance of creating interior facades around the patios at Casa

Mila? $($Gaudi$)$

To highlight the extravagance of the building

Fulfilled the need for load bearing walls for the interior of the building

The facades were kept bare to diminish its architectural presence

Makes a distinct architectural presence in the heart of the building