Festivals, sights across Korea

Everland's Midsummer Night Firefly Festival opens Friday and runs through Aug.

30.

The program lets visitors watch thousands of fireflies each night in an indoor forest, an ecology experience the park has run since 2017.

Fireflies are considered an indicator of clean environments and are rarely seen in cities.

This year the experience is free, and the grounds have been redesigned around a camping theme, with photo zones, lighting and a nature-study area on firefly life cycles.

Visitors first ent ...