Got 2 replacement batteries from the US and back in business again 
Spectacular Density of Hexagonal Volcanic Columns Along Hong Kong's UNESCO Geopark Coast in Sai Kung. This unique hexagonal columns are said to have been formed more than 100 million years ago when volcanic explosions during the Jurassic period spewed out large amounts of lava and volcanic ash, and after the lava cooled, hexagonal columnar fractures were formed.

Spectacular Density of Hexagonal Volcanic Columns Along Hong Kong's UNESCO Geopark Coast in Sai Kung. This unique hexagonal columns are said to have been formed more than 100 million years ago when volcanic explosions during the Jurassic period spewed out large amounts of lava and volcanic ash, and after the lava cooled, hexagonal columnar fractures were formed.