"In The Center Of Split, Croatia, There’s A Grocery Store With A Truly Unique Location—set Within The Ancient Walls Of Diocletian’s Palace, A Unesco World Heritage Site Built In The Fourth Century Ad"
The Veryovkina Cave is a little bit deeper. Just a few metres: 2223metres.
But... Indeed... both caves belong to the same Arabika Massif. So, actually they are kind of neighbours.