![Site testing in South Africa](https://cdn.eso.org/images/thumb300y/south-africa-1961-02.jpg)
Site testing in South Africa
![Weather station in South Africa](https://cdn.eso.org/images/thumb300y/south-africa-1961-03.jpg)
Weather station in South Africa
![Shooting a "Perfect Place"](https://cdn.eso.org/images/thumb300y/stars1110a.jpg)
Shooting a "Perfect Place"
![Flags at ESO Headquarters](https://cdn.eso.org/images/thumb300y/hq-esoflag-hh.jpg)
Flags at ESO Headquarters
![ALMA Fibre Optic Amplifier/Demultiplexer module](https://cdn.eso.org/images/thumb700x/alma-hh-16.jpg)
ALMA Fibre Optic Amplifier/Demultiplexer module
![Vertex assembly hangar construction](https://cdn.eso.org/images/thumb700x/alma-hh-15.jpg)
Vertex assembly hangar construction
![Flora at the ALMA site](https://cdn.eso.org/images/thumb700x/alma-hh-14.jpg)
Flora at the ALMA site
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