Voters wearing protective masks mark their ballots at a polling booth during regional elections in Tangerang, near Jakarta, Indonesia, December 9, 2020. Indonesians began to cast ballots in regional elections on Wednesday (December 9), with health experts warning a huge turnout could see new coronavirus clusters emerge across the archipelago. REUTERS/Willy Kurniawan

A voter wearing a protective mask is seen at the polling booth during regional elections amid the coronavirus disease (COVID-19) outbreak in Depok, on the outskirts of Jakarta, Indonesia, December 9, 2020. As often happens in the country, some polling stations were decorated with different themes to draw in voters, despite social distancing guidelines in place at the stations and calls from public health experts and Islamic groups to delay voting. REUTERS/Ajeng Dinar Ulfiana

Officers wearing protective face masks at a polling booth during regional elections with the theme of a hospital amid the coronavirus disease (COVID-19) outbreak in Depok, on the outskirts of Jakarta, Indonesia, December 9, 2020. A mammoth logistical undertaking even without a pandemic, Indonesia's General Elections Commission said the poll will span almost 300,000 polling stations in 24 districts and 37 cities. REUTERS/Ajeng Dinar Ulfiana

A voter wearing a protective mask casts her ballots at a polling booth during regional elections amid the coronavirus disease (COVID-19) outbreak in Depok, on the outskirts of Jakarta, Indonesia, December 9, 2020. The vote coincides with a surge in coronavirus cases, with Indonesia suffering the worst outbreak in Southeast Asia, with more than 586,000 infections and 18,000 deaths. REUTERS/Ajeng Dinar Ulfiana

A voter wearing a protective mask has her finger inked after voting during regional elections amid the coronavirus disease (COVID-19) outbreak in Depok, on the outskirts of Jakarta, Indonesia, December 9, 2020. REUTERS/Ajeng Dinar Ulfiana

A voter exposed to the coronavirus disease (COVID-19) shows her ink-stained finger after casting her vote during regional elections, amid the COVID-19 outbreak, in Depok, on the outskirts of Jakarta, Indonesia, December 9, 2020. REUTERS/Ajeng Dinar Ulfiana