City dwellers take up every bit of shade as Rio de Janeiro endures its hottest day of the year, with temperatures soaring past 40°C. A nurse notes that residents seem to be following prevention measures, pointing out that "[the clinic] being empty reflects that." A heatwave is hitting several parts of Brazil, with temperatures of between 40 and 44 degrees Celsius (104 and 111 degrees Fahrenheit) expected to last for three days in a row. IMAGES AND SOUNDBITES