The 4 of us
This was Amirhosseins offer to go and look at this hole after a second I just mentioned what it is. I just got this picture when we had a circled around the opening mouth of it. I think the hole was about 10m depth. From me whom is wearing the orange t-shirt and it is getting the photo of course to left Atefeh, Amirhossein and Ehsan.