Complex sentence: In recent years, Leiria has seen much redevelopment on the banks of the river Liz, with the creation of several new parks, public spaces, children's play areas and a series of themed bridges.
Split into simpler sentences: In recent years, Leiria has seen much re-development to the banks of the river Liz. These developments have created several new parks, public spaces, children's play areas and a series of themed bridges.