Sunset at the sky100 Hong Kong Observation Deck with Wine. Watch the Hong Kong Skyline sunset in Hong Kong while sipping a glass of wine with admission to the sky100 Hong Kong Observation Deck. Located in the tallest building in Hong Kong, the International Commerce Centre (ICC), sky100 provides sweeping views of the city skyline and Victoria Harbour. After taking the high-speed double-decker elevator up to the 100th floor in just 60 seconds, relax with wine in hand and marvel at the 360-degree vista of the city below. Book with us and Save 20% Off Sunset at the Sky100 Hong Kong Observation Deck with Wine.