Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The map of the GBA megalopolis with the red circles denoting locations of measurement sites over Zhuhai (GS: GuiShan Island; QW: QianWu; JD: JinDing; SZ: SanZao; NP: NanPing; PS: PingSha; JZG: JiuZhouGang; TJ: TangJia; GB: GongBei; JA: JingAn; SH: ShangHeng; HQ: HongQi).
