What were the vast arched entryways and the pink granite detailing?

宽阔的拱形入口和粉色的花岗岩装饰又是什么？

A building with complexities of design and function is more difficult to secure because there are many more potential entryways.

设计复杂功能繁琐的建筑要保证其安全则更为困难，因为存在更多潜在的入口通道。