Complex sentence: A big part of Laem Thaen has been constructed over the sea in the last few years, the area is used for many festivities like concerts, markets and during Friday and Saturday evenings the "Bangsaen Walking" street.
Split into simpler sentences: A big part of Laem Thaen has been constructed over the sea. The area is used for festivities like concerts, markets and during Friday and Saturday evenings the "Bangsaen Walking" street.