Wreckage of MH17 displayed in hangar at Gilze-Rijen airbase

The video briefly introduces the concept of 'vertical' and reassures that it is not problematic.

What is the initial concept introduced in the video?

• Vertical

• Circular

• Diagonal

• Horizontal

Which of the following is NOT a characteristic of vertical as explained in the video?

• It is perpendicular to horizontal

• It is a direction

• It is considered negative

• It is a concept in geometry

How is the concept of vertical described in the video?

• As a negative concept

• As a neutral concept

• As a positive concept

• As a complex concept

What is the opposite of vertical?

• Parallel

• Circular

• Diagonal

• Horizontal

Which statement is true about the vertical concept as per the video?

• Vertical is always good

• Vertical is sometimes bad

• Vertical is always bad

• Vertical is never bad