var caption4_1 = '';
var caption4_2 = 'rhythm of africa - werribee zoo';
var caption4_3 = 'rhythm of africa - werribee zoo';
var caption4_4 = 'rhythm of africa - werribee zoo';
var caption4_5 = 'rhythm of africa - werribee zoo';
var caption4_6 = 'rhythm of africa - werribee zoo';
var caption4_7 = 'rhythm of africa - werribee zoo';
var caption4_8 = 'rhythm of africa - werribee zoo';