在6号照片中，一个具有绿叶的绿色树枝出现在老虎的头部右前方，这个树枝穿过了老虎的胡须和颊毛（图3）。
In photo No.6 , a green stem with green leaves appears in the front of tiger 's head & to the right , the stem penetrates through the beard and cheek hairs of the tiger ( Fig.3 ) .
颊毛