Costa Rica petroglyph; Egyptian funerary garden; Siberian reindeer harness; mythical murals in looted Chinese tomb
Petroglyph from Costa Rican cemetery shows sacred hummingbird motif
Middle Kingdom tomb dig finds intact funerary garden planted in front
Siberian artifacts may show that reindeer herding is more ancient than previously thought
Newly looted Chinese tomb still contains masterful murals of mythical scenes