GOMA, Congo (AP) — After a landslide last week killed at least 200 people in eastern Congo at a rebel-controlled coltan mine, families of the deceased and survivors are mourning their lost loved ones, and some survivors prepared to head back to the reopened mines. On Wednesday, following heavy rains in eastern Congo , a network of hand-dug tunnels at the Rubaya mining complex collapsed, killing at least 200 artisanal miners and trapping an unknown number who remain missing. The mine, located