As Israel undertakes its fourth ground offensive in southern Lebanon in 50 years, its troops again face rocky terrain mined with explosives and full of hiding places that previous generations of soldiers have battled over.

The escalating conflict between Israel and the Iran-backed Hezbollah group has led to more evacuations, with Israeli forces targeting new locations in northern Lebanon. Numerous airstrikes have resulted in civilian casualties,

The reality on the ground indicates Israel may be preparing for the possibility of a much bigger war against Hezbollah in Lebanon. If so, the fight could get bloody.