Complex sentence: Current remains (including anastylosis from the 18th century onwards) the front columnade with parts of the architrave and of the frieze (only fragments of the other three sides are present), with few elements of the cella.
Split into simpler sentences: Current remains (including anastylosis from the 18th Century onwards) consist of the front colonnade with parts of the architrave and of the frieze. Only fragments of the other three sides survive, with few elements of the cella.