McKenzie is one of 120 BAS employees in total who were in Antarctica for the summer season that is now coming to an end. Most, including McKenzie, will return to the UK by the end of May, yet up to 50 will stay for the darkness of winter.
The venue's general manager resigned on the planned opening night after the troubled opening.
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But he told the BBC: "Where practices are struggling and falling short we're not going in there to beat people over the heads, we're going in there to support and to share excellent practice from those who are doing really well with same-day urgent access, making sure that we roll that out."
12:30: The chief district officer imposes an immediate curfew, making the protests illegal. Officers use loudhailers to order people home.
// 单调栈：存储索引（而非值），栈内索引对应的nums值保持「单调递减」