they face the holy building called the kaba shareef located in mecca
They face Kaaba in Makkah (or Mecca) in Saudi Arabia
Muslims pray towards the city of Mecca. Specifically towards the Kaaba. Mecca
It is the city that Muslims face when they pray
Jews pray facing the east-in the direction of Jerusalem
It does not matter where you are, it is one of the requirements of being a Muslim.
You have to face the wall because you need to face the ka'bah _______________________________________________________ It is not true that you have to face a wall when a Muslim is praying. During praying, you; as Muslim; should face the direction of Kaba (or AlMasjid AlHaram) in Makkah (or Mecca) in Saudi Arabia.
You can pray anywhere on earth, as long as you pray the Muslim way!
mecca
The city of Meccah.
Muslims face towards the Kaaba in Mecca, Saudi Arabia, the most sacred site in Islam, when they pray as a way to unify the Muslim community and demonstrate their submission to God. This direction is known as the qibla. Muslims around the world face the Kaaba in Mecca during their five daily prayers as a symbol of unity in worship.
Arabs pray in many different ways because there are Arab of all different faiths. Arabs who are Muslim are supposed to pray 5 times a day. First a Muslim washes their hands, arms, face, head, and feet. Then they kneel facing towards the city of mecca in Saudi Arabia and lean forward and touch their foreheads to the ground. Words said during prayer are specific verses from the Koran.
Ramadam is a month of pray and fasting. Since practicing Muslims are required to face Mecca in order to pray, it becomes a question of determining which direction to face. With out a GPS device, it would require knowledge of constellations and time of year in order for a Muslim to determine which direction is Mecca.