Originated in Sydney in 2007, Earth Hour is a global event ...
The Yarrow is a medicinal herb, which is plentiful on the ...
The ring of light that seems to encircle the sun or moon ...
A whitish semicircular arc seen opposite the sun in fog. ...
Pombo Island, located between Ambon Island and Haruku ...
Shield volcanoes, so named for their broad, shield-like ...
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