A lovely selection of images. Love your lighthouse (Wollongong?) and nighttime shots of the opera house. I serendipitous arrived as your sight following a link on ‘e’ in wikipedia to your solution for the first 10 digit prime within the digits for ‘e’. Like the read and the python code you provided which i must try sometime. I have been teaching programming for a long time but only recently looked at PERL and python as alternatives to c.