Hezbollah, like Hamas in Gaza, has dug extensive underground fortifications and prepared bunkers for attacking Israeli communities, holding hostages, and engaging the IDF for prolonged periods.
WATCH: Inside Hezbollah tunnels in south Lebanon
View of a Hezbollah tunnel that crosses from Lebanon to Israel, on the border between Israel and Lebanon in northern Israel, on July 7, 2019. (Flash90/Sraya Diamant)