Complex sentence: In 2009, the "Log Flume" was removed whilst the "Polo Tower" continues to remain in situ-albeit with its gondola removed, its only purpose now is to fulfil a contract for the positioning of a mobile phone mast at its peak.
Split into simpler sentences: In 2009, the "Log Flume" was removed whilst the "Polo Tower" continued to remain in situ-albeit with its gondola removed. Its only purpose to fulfil a contract for the positioning of a mobile phone mast at its peak.