Here is the top news photograpy from the past week:

TOKYO: US gymnast Simone Biles performs on the vault during the Olympic team all-around event on Tuesday, July 27. She withdrew saying she wasn't in the right frame of mind to compete. She later pulled out of the individual all-around, which she won in 2016. "I have to focus on my mental health and not jeopardize my health and well-being," she told reporters (Natacha Pisarenko/AP)

TRELEW: A lagoon near Trelew, Argentina, appears pink on Friday, July 23. Experts and activists say the water is pink because of pollution from a nearby factory (Daniel Feldman/AFP/Getty Images)

PLUMAS COUNTY: A firefighter passes a burning home as the Dixie Fire flares in Plumas County, California, on Saturday, July 24. The fire destroyed multiple residences as it tore through the Indian Falls community (Noah Berger/AP)

SYDNEY: A bird walks inside a quiet train station during a Covid-19 lockdown in Sydney on Wednesday, July 28. The city's lockdown was extended by four weeks on Wednesday (Loren Elliott/Reuters)

HYDERABAD: Hundreds of people line up to receive their second dose of the Covid-19 vaccine in Hyderabad, India, on Thursday, July 29 (Mahesh Kumar A/AP)