Table:
Dongzhi Festival

Tangyuan, a traditional Dongzhi Festival food

Official name	Dongzhi (冬至)
Also called	Tang-cheh (冬節)
Tōji (冬至)
Dongji (동지)
Observed by	Chinese, Japanese, Koreans
Type	Cultural
Significance	Marks the winter solstice
Observances	making and eating of tangyuan, ancestor worship
Date	Winter solstice (between December 21 and December 23)
Frequency	annual
Related to	Winter solstice

In this table image, can you identify any merged cells and provide their locations in the JSON format of {'top-left':(x, y), 'bottom-right':(m, n)}, where (x, y) is the top-left and (m, n) is the bottom-right cell coordinates? Cell coordinates start from (1,1).

The merged cell region is: {'top-left':(1, 1), 'bottom-right':(1, 2)}.