Recently there was long thread about the BCA. I can now post possible answers to some of the questions, such as "Why is the BCA still raising membership prices when there is a significant amount still left in its coffers?"
I thought that. Googling Sarawack Chamber does result in the picture they showed as being one of the images returned.
Reverse image searching it gives this: Deer Cave
I did cringe a little every time she said 'spelunker'.