Human wastes are used as fertilizer. Garbage is often dumped indiscriminately in the countryside. The DPRK currency is the won, which is further divided into 100 jon. There are three types of currency in North Korea. The local currency, which comes in banknotes and coins, and two types of currency for use by foreigners.
Foreigners exchanging hard currency receive banknotes which are green for won and blue for jon.
If not already paid in advance, hotels, restaurants and other purchases must be paid for in one of the two special currencies.