31.   The U.S. military sprayed the thick jungles in Vietnam with defoliants in an attempt to kill off the foliage so bombers could pin point enemy troops.

32.   The village is located in thick jungle alongside the Atrato River, the main conduit for overland travel in the roadless region of northwest Colombia.

33.   Though much of it consists of rugged mountains or thick jungle, it has large mineral deposits and other natural resources.

34.   Vietnam is almost as big as California, with rugged mountains and thick jungle creating countless remote places where prisoners could be hidden.

35.   He told the US congressman of the difficulty in operating against the Abu Sayyaf in the rough terrain and thick jungle of Basilan.

36.   But the operations were hampered by hilly terrain, thick jungle and failing light, Ramli said.

37.   Cimatu said the rescue attempt was difficult, being conducted in thick jungle and heavy rain.

38.   The remote villages lie scattered in thick jungles and act as a border separating Sinhalese-dominated Polonnaruwa district from Batticaloa district, which is inhabited mostly by Tamils.

39.   Their work was being hampered by the hilly terrain and thick jungle, he added.

40.   The upsurge in violence follows a Tiger announcement that it had moved its political base from Mullaitivu, a remote coastal outpost surrounded by thick jungle.