Geological information

A place where grass and trees have grown naturally or have been planted according to a plan.

Fields and paddies.

The villages whose residents are mostly farmers and fishermen.

A large city with a big population, which is the center of political, economic, and cultural activities.

Large mass of land surrounded by the ocean.

A vast ocean like the Pacific, the Atlantic, the Indian, the Arctic, and the Antarctic oceans.

A country located in southern East Asia; it consists of the Korean Peninsula and affiliated islands; divided into South Korea and North Korea since the 1953 ceasefire agreement, it is called either Korea or South Korea; the official language is Korean and the capital is Seoul.

A bank built to control the amount of water and generate electric power by keeping out river or seawater.

A stone one can hold in one hand.

The southeastern part of Asia, where there are countries such as Malaysia, Myanmar, Vietnam, Indonesia, Thailand, the Philippines, etc.