Linton Zoo in Cambridgeshire has been welcoming photographers for behind the scenes photo-shoots.
40 photos which were taken during the events have been entered into a photography competition.
The zoo says the standard of entries was outstanding. The winning shot of Zuri the lion was taken by Ellis Hall of Cambridge.
More top news
It will be sunny and hot in places on Saturday. Sunday will be cooler with showers later.
For some parts of the region, there's a risk of thunderstorms tonight before a mainly fine weekend.
Suffolk fire crews and care home managers have been practicing a major fire at a nursing home near Bury St Edmunds.