Hong Kong actress-singer Josie Ho might have faced one of her biggest challenges filming upcoming supernatural-thriller movie The Mage when she worked among two tonnes of garbage. "I am an extreme germophobic in real life," the 51-year-old told media at a press event for the movie at Iconsiam in Bangkok, Thailand, on Sept 14. AsiaOne was invited to cover the film's publicity events held in conjunction with the Bangkok International Film Festival. Josie shared that whenever she returns home after spending time outside, she would take a shower first and change into clean clothes before doing anything else, including resting on her sofa and…