 There are regular high-level visits between the two countries, and frequent contacts between the two countries' governments and the local authorities on various matters concerning individual sectors, such as the control of flow of the Maritsa River (also known as Evros) of which the overflow during times of strong rainfall, threatens the towns and villages in the regions it flows through.Big projects currently in running between the two countries include the touristic development and the gas pipelines.Official meetings between the two governments and the Presidents of the State are frequent and the armies of both states cooperate and are co-training in a regular basis as part of the NATO training programme.