HORIZONS- SATURDAY 20 DECEMBER HORIZONS OUTLOOK- SATURDAY 20 DECEMBER AVAILABLE: HZ World Animals and Humans Review 2025: From big cat CT scans to rats sniffing out explosives: how humans and animals help each other HZ Brazil Cool Street: Street in Rio de Janeiro said to be world’s “coolest” HZ UK Farm Ice Skating: Farmer opens ice rink in old barn to diversify amid low crop prices HZ Denmark Lego: From sketch to shelf: How toy giant Lego brings brick sets to the masses ++REPLAY++