For visits to Australia, the GPS-based “Welcome to Country” iPhone app alerts the user whenever he crosses the boundary of a traditional tribal group. He is directed to a video in which an elder or “knowledge carrier” provides information about the culture and customs in the area, using speech or song or showing a dance or ceremony.

Version 1.0 of the app has a map and covers more than 30 indigenous tribes and language groups (from a total of over 500). Visit the iOS AppStore.

Despite preconstruction soil treatment, the runway at the klia2 passenger terminal at Kuala Lumpur International Airport in Malaysia, opened in 2014 to service low-cost flights, is sinking due to unstable soil, causing bumps, cracks and the pooling of water. 

This has led to flight delays and may contribute to airplane damage. AirAsia, which operates the largest fleet flying out of klia2, has sued the airport’s operator for losses and damage. It is estimated that it will take five...

The countries of India and Bangladesh have swapped control of enclaves — 111 Indian enclaves in Bangladesh and 51 Bangladeshi enclaves in India — ending almost 70 years of confusion and frustration for the 50,000 citizens living within them.

Originally mapped out in the 18th century by local lords, who used villages as wagers in chess games, the enclaves remained after the creation of Bangladesh in 1947 (when it was known as East Pakistan). Since then, Indian and Bangladeshi nationals...