The Wall of Knowledge was built in which city

The Wall of Knowledge was built in which city
A: Islamabad
B: Karachi
C: Lahore
D: None of these

The Wall of Knowledge is a public art and education themed structure in Karachi. Such civic projects promote reading and community pride. City identification questions test awareness beyond capitals. Link this landmark with Karachi to secure a quick mark. Always read for the keyword built in which city.