public function getSegmentExplorer($bounds, $activity_type = 'riding', $min_cat = null, $max_cat = null)
{
$path = '/segments/explore';
$parameters = array('bounds' => $bounds, 'activity_type' => $activity_type, 'min_cat' => $min_cat, 'max_cat' => $max_cat);
$result = $this->adapter->get($path, $parameters, $this->getHeaders());
return $this->format($result);
}