3 sentences

1. 她家在一座山的山脚下。

   tā jiā zài yī​zuò shān de shān​jiǎo xià.

   Her house is at the foot of a mountain.

   Source: Tatoeba

2. 山脚下有一座古老的城堡。

   shān​jiǎo xià yǒu yī​zuò gǔ​lǎo de chéng​bǎo.

   There is an old castle at the foot of the mountain.

   Source: Tatoeba

3. 想象你正站在一座山的山脚。

   xiǎng​xiàng nǐ zhèng zhàn zài yī​zuò shān de shān​jiǎo.

   Imagine that you are standing at the foot of a mountain.

   Source: CCMatrix