Aerial footage has captured a huge swarm of jellyfish off the coast of Israel.
The country’s maritime authorities are inspecting the waters of Haifa Bay during the annual jellyfish migration, when its boats are besieged.
The Israel Parks and Nature Authority says pollution and climate change are increasing the intensity of jellyfish colonies.
This video has been optimized for mobile viewing on the BBC News app. The BBC News app is available from Apple App Store for iPhone and Google Play Store for Android.
