Dozens of butterflies gather along a riverbank at the Bantimurung Bulusaraung National Park in South Sulawesi, Indonesia, Sept. 28, 2016. (Xinhua/Zulkarnain)
Dozens of butterflies gather along a riverbank at the Bantimurung Bulusaraung National Park in South Sulawesi, Indonesia, Sept. 28, 2016. (Xinhua/Zulkarnain)
Dozens of butterflies gather along a riverbank at the Bantimurung Bulusaraung National Park in South Sulawesi, Indonesia, Sept. 28, 2016. (Xinhua/Zulkarnain)
Dozens of butterflies gather along a riverbank at the Bantimurung Bulusaraung National Park in South Sulawesi, Indonesia, Sept. 28, 2016. (Xinhua/Zulkarnain)
Dozens of butterflies gather along a riverbank at the Bantimurung Bulusaraung National Park in South Sulawesi, Indonesia, Sept. 28, 2016. (Xinhua/Zulkarnain)
