A solar halo appeared over Mount Tai in Tai'an, east China's Shandong province on Thursday.
The solar halo is an optical phenomenon produced by sunlight interacting with ice crystals suspended in the atmosphere.
A solar halo appeared over Mount Tai in Tai'an, east China's Shandong province on Thursday.
The solar halo is an optical phenomenon produced by sunlight interacting with ice crystals suspended in the atmosphere.