A judge measures green onions at the 2020 China Zhangqiu Green Onion Cultural and Tourism Festival in the Zhangqiu district of Jinan, Shandong province. [Photos: chinadaily.com.cn]

Judges measure green onions at the 2020 China Zhangqiu Green Onion Cultural and Tourism Festival in the Zhangqiu district of Jinan, Shandong province.

A boy is dwarfed by tall green onions at the 2020 China Zhangqiu Green Onion Cultural and Tourism Festival in the Zhangqiu district of Jinan, Shandong province.

A green onion standing 2.53 meters high was recognized by Guinness World Records as the world's tallest on Sunday during the 2020 China Zhangqiu Green Onion Cultural and Tourism Festival in the Zhangqiu district of Jinan, Shandong province.