根据短文意思，在空格处填写恰当的单词，使短文通顺、意思完整。每空限填一词。

Here is a photo. You  see a lot of children in the zoo.  are many trees in the zoo, but there aren't any flowers. Some birds are  in the trees. Under the tree there are some old men. They are sitting a table. They're tea and talking. Two girls are sitting near them.