A variety of waterfront and green spaces are spread throughout Hiera (Picture: Sinar Mitbana Mas)SINGAPORE (EDGEPROP) - Mitbana, a joint venture company of Mitsubishi Corporation and Surbana Jurong, and Sinar Mas Land have launched Welton, a landed cluster housing project at Hiera, a 108-ha mixed-use development in BSD City (formerly known as Bumi Serpong Damai), Greater Jakarta. "The first release of landed homes in Welton garnered strong sales, and the next phase will be released at the end of