Dozens of families were visiting the Johnsons of Old Hurst zoo in Huntingdon this week at the peak of the school holidays. The Tropical House at Johnsons of Old Hurst, in Huntingdon where a three-year-old boy was thrown in and left with critical injuries. (Image: SWNS)The boy, who remains unnamed, has been a patient at Addenbrooke's Hospital in Cambridge for around six weeks following the incident. The Tropical House at Johnsons of Old Hurst is near-empty of visitors. The Tropical House at Johnsons of Old Hurst, in Huntingdon had mostly just a few adult zoo-goers during the peak of the summer season this week.