<p class="MsoNormal">People walk near a solar halo on the frozen sea in Vaasa by -15°C (Photo: Olivier Morin/AFP)</p>
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<span>The Halo is an optical phenomenon produced by light interacting with ice crystals suspended in the atmosphere (Photo: Olivier Morin/AFP)</span>
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<div>People visit the frozen sea to view the Halo (Photo: Olivier Morin/AFP)</div>
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<p class="MsoNormal">A man fishes through the ice at sunrise on the frozen sea in Vaasa by -15°C (Photo: Olivier Morin/AFP)</p>
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<p class="MsoNormal">The frozen sea serves as a tourist spot in Vaasa as temperature dips to -15°C (Photo: Olivier Morin/AFP)</p>
