SM is one with the nation in observance of Earth Hour on March 30, 2019 at exactly 8:30pm.
Earth Hour is a worldwide movement organized by the World Wide Fund for Nature (WWF). The event is held annually encouraging individuals, communities, and businesses to turn off non-essential electric lights for one hour, from 8:30 to 9:30 pm on a specific day towards the end of March, as a symbol of commitment to the planet.(Wikipedia)
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