sentences:  As of 2010, very few buildings have thatched roofs other than the ranchos that many tourist lodges provide for their guests.Wildlife conservation permits in Costa Rica were established in 1992 with the Ley de Conservacion de la Vida Silvestre, or the Law on Wildlife Conservation (hereafter referred to as Law 7317).It is possible that another permit system was in place before this law was introduced, but no evidence has been found to confirm or deny this.