China, Taiwan, Vietnam, Cambodia, Thailand, Malaysia, Singapore, Indonesia, Brunei, Philippines, ... (+ 40)
On sabbatical from 08/19 to 07/20. One year of summer Stops: Benin Kenia Tansania Dubai Malediven Sri Lanka Malaysi...
Germany, Belgium, Benin, Cameroon, Kenya
Saudi Arabia, United Arab Emirates, Egypt, Greece, France, Czech Republic, Sweden, Australia, Japan, Argentina, ... (+ 2)
France, Switzerland, Austria, Slovakia, Poland, Belarus, Russia, Kazakhstan, Uzbekistan, Turkmenistan, ... (+ 35)
Ralph is now asking attention for the problem of too many broken down handpumps in Africa and how this problem can be solve...
Egypt, Sudan, Ethiopia, Kenya, Tanzania, Zambia, Botswana, Namibia, South Africa
China, Ethiopia, Kenya, Tanzania, Malawi, Zambia, Zimbabwe, South Africa, Turkey, Netherlands, ... (+ 1)
United Kingdom, France, Spain, Portugal, Gibraltar, Morocco, Mauritania, Senegal, Mali, Sierra Leone, ... (+ 21)
Switzerland, Italy, Vatican City, San Marino, Slovenia, Austria, Liechtenstein, Luxembourg, Belgium, United Kingdom, ... (+ 186)
United Kingdom, Kenya, Madagascar
Tanzania, Kenya, Uganda, Rwanda, Zambia
Italy
