Work at height wins praise

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This may not be for the faint of heart. State Grid Corporation workers were pictured during check-up and repair work on high-voltage wires that were 122 meters above the ground. After the photos appeared online, Internet users praised the staff, some showing great concern for their safety and others calling the action "kung fu on wires". The State Grid staff started a 10-day inspection project on 134 kilometers of wires on March 12.

Where were the State Grid Corporation workers pictured?

A. On 122-meter high-voltage wires

B. On 134-meter high-voltage wires

C. On 220-meter high-voltage wires

（中國日報網英語點津 劉明 編輯）