They use these lights for illuminating the playing area. 他們用這些燈給活動區照亮。
The northeast corner of the courtyard is the tigers' living and activity area, via the balusters, tiny blood spots could be found on the ground. 院落的東北角是老虎的住處和活動區,透過欄杆,還可以看到地面上星星點點的血跡。