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according to Ayatollah Sistani

Performing prayers is disapproved in a number of places, including:

1. a public bath;
2. on saliferous land;
3. facing a person;
4. facing an open door;
5. on a street, road, and in an alley, in the event that it does not cause trouble for passers-by; and in the event that it does cause them trouble, it is unlawful;
6. facing a fire or lamp;
7. in a kitchen and in every place where there is a furnace;
8. facing a pit or ditch where people urinate;
9. facing a picture or statue of a living thing, unless it is covered;
10. in a room where a junub124 is present;
11. in a place where there is a picture, even if it is not facing the person performing prayers;
12. facing a grave;
13. on a grave;
14. in between two graves;
15. in a graveyard.

( https://www.sistani.org/english/book/48/2215/ rulling 884)

 regards

Sheikh Mahdi Mosayyebi