A friends parking lot is regularly full of cat droppings left by numerous felines in the area. As you can imagine, it's quite a nuisance; he regularly needs to wash it to avoid swimming walking in the droppings.

How could he keep the cats out?

###Additional info: There are multiple parking lots in the same underground parking, but droppings are nearly exclusively in his lot. If possible, the solution should avoid just moving the problem to a new victim, but more importantly shouldn't be a nuisance to the other users of the parking.

The cats are presumably strays.

The crimes are committed at night, and he isn't ready to stay up!

A friends parking lot is regularly full of cat droppings left by numerous felines in the area. As you can imagine, it's quite a nuisance; he regularly needs to wash it to avoid swimming walking in the droppings.

How could he keep the cats out?

Additional info:

There are multiple parking lots in the same underground parking, but droppings are nearly exclusively in his lot. If possible, the solution should avoid just moving the problem to a new victim, but more importantly shouldn't be a nuisance to the other users of the parking.

The cats are presumably strays.

The crimes are committed at night, and he isn't ready to stay up!

A friends parking lot is regularly invaded found full of mines droppings left by possibly numerous blood thirsty soldiers felines.

  As you can imagine, it's quite a nuisance : he regularly needs to wash it to avoid swimming walking in the droppings.

How could he keep the cats out  ?

###Additional info: There are multiple parking lots in the same underground parking, but droppings are nearly exclusively in his lot. If possible, the solution should avoid just moving the problem to a new victim, but more importantly shouldn't be a nuisance to the other users of the parking.

The cats are presumably strays.

The crimes are committed at night, and he isn't ready to stay up  !

A friends parking lot is regularly full of cat droppings left by numerous felines in the area. As you can imagine, it's quite a nuisance; he regularly needs to wash it to avoid swimming walking in the droppings.

How could he keep the cats out?

###Additional info: There are multiple parking lots in the same underground parking, but droppings are nearly exclusively in his lot. If possible, the solution should avoid just moving the problem to a new victim, but more importantly shouldn't be a nuisance to the other users of the parking.

The cats are presumably strays.

The crimes are committed at night, and he isn't ready to stay up!

A friends parking lot is regularly invaded found full of mines droppings left by possibly numerous blood thirsty soldiers felines.

As you can imagine, it's quite a nuisance : he regularly needs to wash it to avoid swimming walking in the droppings.

How could he keep the cats out ?

###Additional info: There are multiple parking lots in the same underground parking, but droppings are nearly exclusively in his lot. If possible, the solution should avoid just moving the problem to a new victim, but more importantly shouldn't be a nuisance to the other users of the parking.

The cats are presumably strays.

A friends parking lot is regularly invaded found full of mines droppings left by possibly numerous blood thirsty soldiers felines.

As you can imagine, it's quite a nuisance : he regularly needs to wash it to avoid swimming walking in the droppings.

How could he keep the cats out ?

###Additional info: There are multiple parking lots in the same underground parking, but droppings are nearly exclusively in his lot. If possible, the solution should avoid just moving the problem to a new victim, but more importantly shouldn't be a nuisance to the other users of the parking.

The cats are presumably strays.

The crimes are committed at night, and he isn't ready to stay up !