The Lunar New Year celebration has begun in China, but it comes as Hong Kong security forces continue to prosecute those swept up in a wave of arrests under the new national security law imposed by the mainland, including some pro-democracy members of Hong Kong's legislative body. China is also testing Hong Kong's legal system and moving to overhaul its education curriculum. Divya Gopalan reports.
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Judy Woodruff:
The lunar new year celebration has begun in China, but it comes as Hong Kong security forces continue to prosecute those it has swept up in a wave of arrests under the new national security law that mainland China imposed.