Four little lion cubs are the main attraction at the zoo in Wuppertal.Born at the end of February, they are now out in their enclosure to take their first steps.

• 四只刚出生的小狮子，是乌帕塔动物园的小主角，二月底才出生的牠们，活泼好动，准备要踏出牠们的第一步。