A combination picture shows St. Basil' Cathedral before (R) and during Earth Hour in Moscow March 29, 2014
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City landmarks go dark for 'Earth Hour'

Cities around the world have been switching off their lights to mark this year's Earth Hour movement.

Sydney Opera House and the Hong Kong skyline were among some of the iconic landmarks that fell dark on Saturday night.

In Singapore, the cast of the new Spiderman movie, including actor Jamie Foxx, took part in the festivities, aimed at raising awareness of conservation.

  • 29 Mar 2014
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