South-east Asia’s first high-speed railway was launched on Monday as it is set to begin commercial operations. It is a key project under China’s Belt and Road infrastructure initiative that will drastically reduce the travel time between two key cities. Advertisement The project has been beset with delays and increasing costs, and some observers doubt its commercial benefits. But Indonesian President Joko Widodo has championed the 88-mile railway, which was issued its official operating licence from the country’s Transportation Ministry on Sunday. The high-speed railway has been named Whoosh (AP Photo/Achmad Ibrahim) The 7.3 billion US dollar (£5.99 billion) project,…