"Rhythms Monthl"y also supports and executes exploratory expeditions, recently including determining the source of Yangtze River and tracing the riverhead of Mekong River. Working alongside Tzu Chi, the magazine often provides coverage of humanitarian efforts in natural disasters like the 2003 Bam earthquake in Iran, the 2004 tsunami, Hurricane Katrina, Cyclone Nargis in Burma and the 2008 Sichuan earthquake in China.