The pit viper has a pair of infrared sensory pits on its head. The area encompasses forests interspersed by marshes and lakes formed in gravel pits. Four main pits approximately deep have been excavated. Much of the work took place outdoors at construction sites, gravel pits, and lumber yards. First the clay was extracted from open pits or mines. Drains from houses emptied into pits (soakage jars) beneath the roads. Many specimens also accumulated in natural traps, such as sinkholes and tar pits. Oil was everywhere in the sand, pits, and puddles. The museum tells the story of the tar pits and presents specimens excavated from them. The friends escape the bullies by hiding behind a fence near the tar pits. Spike traps, deep pits (three or more levels deep) and guillotines. He lost an entire lap while having the wheel changed in the pits. The song also references the Cambridge quarry pits, and the landscape. He trolled round and retired in the pits on lap 41. Schumacher took the race lead after passing Senna in the pits.