WATCH: Millions of bubbles float across Hong Kong skyline in art exhibition

HONG KONG - Millions of bubbles floated across Hong Kong's skyline as a public art exhibition by Japanese artist Shinji Ohmaki was unveiled on Wednesday (August 2).

The three-metre tall, six-tier bubble pyramid, which consists of 50 individual bubble-producing units blows 10,000 chemical-free bubbles a minute, requires 35 litres of bubble mix for each show which lasts 15 to 20 minutes to produce the visual spectacular.

"Memorial Rebirth", Ohmaki's artwork, has travelled across 20 cities in the Asia region in the last nine years. Ohmaki is a 47-year-old Japanese artist whose work has been showcased in some of Japan's renowned art exhibitions.