"We regularly see churches having bat nights and bat events," says Spencer.
"Again this year the sea ice hasn't been too bad, but I can only see a handful of penguins really," he says.
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Some scientists want stricter enforcement of existing space treatises or more regulation of space debris.
第六十三条 有下列行为之一的，处十日以上十五日以下拘留，可以并处五千元以下罚款；情节较轻的，处五日以上十日以下拘留，可以并处三千元以下罚款：