Zoo Boo is back. Bring your little pumpkins to the Zoo for pics at 10 different Instagrammable photo options throughout the Zoo, a Spooky Train Village, kid-friendly short stories, and more. Social Distancing & COVID-19 Precautions Zoo Boo will not include a pumpkin patch or candy giveaways this year. For the safety of the Houston Zoo's staff, guests, and animals, visitors 10 years and older are required to wear facial coverings that cover their nose and mouth. Businesses around Greater…