Complex sentence: Archaeologists found Bronze Age remains (before 700 BC) and medieval remains during the construction of "The Chimes" shopping centre; two miles (3.2 km) away at Denham, Upper Paleolithic remains have been found.
Split into simpler sentences: Archaeologists found Bronze Age remains (before 700 BC) and medieval remains during the construction of "The Chimes" shopping centre. Two miles away at Denham, Upper Paleolithic remains have been found.