Complex sentence: It is also considered as one of the most beautiful, well planned, and safest cities by many standards, and in 2002 it was awarded "UNESCO Cities for Peace Prize" for managing to address the challenges of rapid urbanization.
Split into simpler sentences: It is also considered one of the most beautiful, well planned, and safest cities by many standards. In 2002 it was awarded the UNESCO Cities for Peace Prize for addressing the challenges of rapid urbanization.