Students explore and learn at Happy Hollow Park & Zoo in San Jose, California, on May 15, 2019. (Stan Olszewski/SOSKIphoto)

Happy Hollow Foundation host their annual fundraising event Rendezvous at the Zoo at Happy Hollow Zoo in San Jose, California, on September 7, 2019. (Stan Olszewski/SOSKIphoto)

The Happy Hollow Foundation host their Senior Safari event at Happy Hollow Park & Zoo in San Jose, California, on August 22, 2019. (Stan Olszewski/SOSKIphoto)