It's starting to wonder why you so remind me, why you so remind me, of the same (unintelligible) when the sun goes down.

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Business might be slow, but along with the fortune-tellers and healers, the henna tattooists, acrobats and gnaoua, the spiritual musicians, they know the importance of claiming your space before the sun goes down and the big breaks come.

BBC: Djemaa el Fna, the beating heart of Marrakesh

This fortress becomes crucial when the sun goes down and the undead rise.

FORBES: Connect

When the device is aligned so that its pits are pointing straight at the sun, most of the incident radiation goes down them to their bottoms.

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When the sun goes down, the hydrogen powers a fuel cell that runs your home.

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Since San Juan is largely without power, when the sun goes down darkness prevails, pierced only by the occasional flicker of candlelight.

BBC: Journey to Argentina's forgotten territory

Today, when the sun goes down in Africa, over 150 million homes will not turn on the lights.

FORBES: How to Light Africa Within a Decade

As the sun goes down, the crew dons night-vision goggles, scanning for muzzle flashes or smoke trails.

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From sandy riverbed campsites you can watch flocks of colourful parrots as the sun goes down, and the night becomes even more eerie when dingoes fill the darkness with their howls.

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But after the sun goes down, geishas recede behind closed doors and teahouses shut down for the night, Kyoto offers spectacular nighttime charms.

BBC: Where to find Kyoto��s glow