These photos are of the Waitomo Caves. We first visted the Gloworm cave. There are thousands of these gloworms and something to do with some sticky stuff they secrete which hangs off them (I forget...) anyway they light up. We went on this boat in the cave, it's all dark, you can't see anything but you look up and there are thousands of tiny lights, like stars. It's quite cool and serene as you have to be very quiet or they will turn off their lights! Obviously we couldn't take photos of them so sorry, it's for me to remember!
Then we visted another cave which had all the stalictites and mites. The longest stalictite they have in these caves is taller than me and considering they grow about an inch every hundred years or so (I think) that's pretty impressive.