Every Saturday, the South China Morning Post will be presenting its top video picks from SCMP.tv and the web - featuring news, features, mini-documentaries and more. From a botched space travel explosion to musical instruments made from Hong Kong trash, here are the SCMP 's top videos of the last week. 1. Unmanned SpaceX rocket destroyed shortly after liftoff All it took was two minutes to destroy a cargo ship bound for the International Space Station. The Falcon 9, a SpaceX rocket which towers 208 feet (63.4 metres) in height, exploded after liftoff from Florida on June 28. It had successfully flown 18 times since its debut in 2010. It is not yet clear what caused the explosion. 2. Hong Kong's Ocean Park at forefront of debate over dolphin captivity in China SCMP delved into China's dolphin captivity debate, taking a look at the divide between Ocean Park's dolphin show and those protesting the theme park's treatment of the mammals. 3. NBA star Jeremy Lin makes guest appearance for opening of 'Sports Base' in Hong Kong NBA star Jeremy Lin stopped by Hong Kong to make an appearance at the adidas Sports Base by the Central harbourfront. He spoke to media about being an Asian-American athlete and what it's like to be back in the city. 4. Upcycling: How Hong Kong's trash can be turned into musical instruments Hong Kong's three landfills is expected to be full to the brim by 2019. But according to upcycling product designer Kevin Cheung, Hong Kongers can do their part to reduce the number of waste they create. Speaking to the SCMP, Cheung showed off some of the musical instruments he has designed using things he has picked up while digging through landfills and other people's garbage. 5. Japanese gather to watch an extra second being added to the country's standard clock While it might be a strange thing to celebrate, many Japanese gathered to watch an extra second being added to the country's standard clock. This change comes after a UN body decided to harmonise atomic time.