@slowwalker, Every Arhats got enlightenment and they removed every human's passions. So they could hold every pains of their life because they found only one aim, It's Nibbana. Every Arhats leaved from ordinary human's places and they spend much time with nature. Dark illumination brought them for found their goal. I had some knowledge about Sri Lankan Arhats. So I give you my explain there. Absolutely your photography collection gives us extra ordinary meanings.