五营
Wuying district of Yichun city 伊春市[Yi1 chun1 shi4], Heilongjiang
五营区
Wuying district of Yichun city 伊春市[Yi1 chun1 shi4], Heilongjiang
无影无踪
to disappear without trace (idiom)
一去无影踪
gone without a trace
来无影,去无踪
lit. come without a shadow, leave without a footprint (idiom); to come and go without a trace