Prueba con los siguientes documentos:

• Bloomberg: Can China Keep Its Remarkable Climate Promise?
• CNN: 'Supersonic travel is here': Boom rolls out XB-1 demonstrator aircraft
• The New Yorker: The Uncertain Promises of Indoor Dining in New York City
• New York Times: Coronavirus Reinfections Are Real but Very, Very Rare
• Science: After decades, room temperature superconductivity achieved
• United Nations: Progress against tuberculosis ‘at risk’: WHO