闭幕式举行同时，广州市中心的安全部队保持着高度的警戒，通往闭幕式现场海星沙岛的道路封闭，周边水域也有警力巡逻。
Security forces were meanwhile on high alert in the centre of Guangzhou, blocking off roads and patrolling the waters off Haixinsha island, the venue of the closing ceremony.
为了与周边环境保持同质性，在周边环境不显得突兀，地表以上周边的墙全部是由石头建造。
To maintain a homogenous atmosphere with the surrounding tranquility, and not stand out in the landscape, the external walls above ground are stone heaps.
无知的全部疆域尚未测绘成图：目前我们只是在其周边探索。
The full area of ignorance is not mapped; We are at present only exploring its fringes.
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