Correct

摩肩接踵

/ mó jiān jiēzhǒng / 
Strokes

Definition

lit. rubbing shoulders and following in each other's footsteps/a thronging crowd

Example

Definition

be jam-packed/overcrowded with people; jostle each other in a crowd

1
Guǎngchǎng
广场
shàng
上
xíngrén
行人
mójiānjiēzhǒng
摩肩接踵
  
,
chuānliúbùxī
川流不息
  
。

The square was jammed with people, coming and going all the time.