Step 1: Understanding "The Line''
"The Line'' is a futuristic urban development project aiming to build a linear vertical city designed to minimize environmental impact and promote sustainable living.
Step 2: Location
This ambitious project has been announced by Saudi Arabia as part of its NEOM initiative to build a high-tech city with minimal carbon footprint.
Step 3: Why Saudi Arabia?
Saudi Arabia is investing in diversifying its economy and transforming urban living through innovation, and "The Line'' is a key example of this vision.
Thus, the correct answer is Option (B).