After a 7.7 magnitude shook Myanmar on Friday, killing more than 2,800 people, international rescuers rushed into the devastated Southeast Asian country. The most ubiquitous among them have been Chinese relief workers. Beijing dispatched first-response teams, including dozens of medical workers, earthquake experts, field hospital workers and rescue dogs. Those teams have been some of the main visible signs of official assistance in affected areas like Mandalay and Sagaing, where residents said they received no help from the military. Russia and India have also set up mobile hospitals.