The area by the city moat, the suburbs and the broad grassland of the newly built residential areas in Beijing are all suitable for flying kites.

护城河边，郊区，北京新建的小区绿地面积也很大，都适合放风筝。

youdao

A fire on the city gate brings disaster to the fish in the moat.

城门失火，殃及池鱼。

《新英汉大辞典》

It's a rooftop bar at the boutique Emperor Hotel that opened a few months ago just outside the east gate of the Forbidden City, a stone's throw from the moat.

这是一个坐落在天台上的精品皇家饭店，几个月以前刚刚开张，就位于紫禁城的东门外，只有把一块石头丢过护城河的距离。

youdao

What he would have made of the moat outside the old city's walls being made into a golf course is anybody's guess.

CNN: Make the most of Manila's chaotic charm

Eventually you will come to Jinghsen Qanyie Road and the moat and wall of the Forbidden City.

BBC: Peddling in the old kingdom of bicycles