Vous ne pouvez pas masquer intégralement vos photos. En revanche, pour plus de confidentialité, vous pouvez si
You cannot hide your photos completely. On the other hand, for more confidentiality, you can if you wish blur them. To do this, go to your profile by clicking on the icon 
in the navigation bar and then select the icon 
below your photo.
On the new screen that appears, enable the option to blur your photos.
You can't hide your location. On the other hand, for more confidentiality, you can, if you wish, locate yourself in the big city close to yours. To do so, go to your profile by clicking on the icon
in the navigation bar and select "My preferences".
On the new screen that appears, change your city.