Critically endangered tiger cubs enjoy playtime at London Zoo

Sumatran tiger cubs Zac and Crispin were flying high at London Zoo this week, testing out a new swing, set up by zookeepers for the stripy siblings to practice their balancing and jumping skills. The fun-loving-felines swung into action on their custom-made kit, durable enough to withstand the sharpest of teeth and claws. See the critically endangered Sumatran tigers up close at London Zoo this summer - every ticket contributes to our vital work for wildlife: