Sunan Abi Dawud Book 2, Hadith 103

The Messenger of Allah (May peace be upon him) was asked about saying prayer at places where the camels kneel down. He replied; Do not say prayer at places where the camels kneel down because they are the places of devils. And he was asked about saying prayer in the fold of sheep. He replied: pray there because they are the places of blessing.

Previous Hadith

and the narrator Musa said: As far as Amr thinks, the Prophet (ﷺ) said: The whole earth is a place of prayer except public baths and graveyards.

Sunan Abi Dawud Book 2, Hadith 102
Next Hadith

The Prophet (ﷺ) said: Command a boy to pray when he reaches the age of seven years. When he becomes ten years old, then beat him for prayer.

Sunan Abi Dawud Book 2, Hadith 104